Home / 30,633.47-42,274.19-17,204.74

Finding the Fourth Proportional to 30,633.47, 42,274.19 and 17,204.74

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Solution

The fourth proportional to 30,633.47, 42,274.19 and 17,204.74 is: 23,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.47 : 42,274.19 = 17,204.74 : x
  2. Step 2: Convert to fraction form
    30,633.47/42,274.19 = 17,204.74/x
  3. Step 3: Cross multiply
    30,633.47x = 42,274.19 × 17,204.74
  4. Step 4: Simplify right side
    30,633.47x = 727,316,490.67
  5. Step 5: Solve for x
    x = 727,316,490.67/30,633.47
  6. Step 6: Final answer
    x = 23,742.55

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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.