Home / 30,151.81-41,602.84-17,402.28

Finding the Fourth Proportional to 30,151.81, 41,602.84 and 17,402.28

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Solution

The fourth proportional to 30,151.81, 41,602.84 and 17,402.28 is: 24,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.81 : 41,602.84 = 17,402.28 : x
  2. Step 2: Convert to fraction form
    30,151.81/41,602.84 = 17,402.28/x
  3. Step 3: Cross multiply
    30,151.81x = 41,602.84 × 17,402.28
  4. Step 4: Simplify right side
    30,151.81x = 723,984,270.48
  5. Step 5: Solve for x
    x = 723,984,270.48/30,151.81
  6. Step 6: Final answer
    x = 24,011.30

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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.