Home / 30,519.45-42,119.33-17,602.92

Finding the Fourth Proportional to 30,519.45, 42,119.33 and 17,602.92

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Solution

The fourth proportional to 30,519.45, 42,119.33 and 17,602.92 is: 24,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.45 : 42,119.33 = 17,602.92 : x
  2. Step 2: Convert to fraction form
    30,519.45/42,119.33 = 17,602.92/x
  3. Step 3: Cross multiply
    30,519.45x = 42,119.33 × 17,602.92
  4. Step 4: Simplify right side
    30,519.45x = 741,423,108.43
  5. Step 5: Solve for x
    x = 741,423,108.43/30,519.45
  6. Step 6: Final answer
    x = 24,293.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.