Home / 37,401.76-51,614.40-21,487.20

Finding the Fourth Proportional to 37,401.76, 51,614.40 and 21,487.20

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Solution

The fourth proportional to 37,401.76, 51,614.40 and 21,487.20 is: 29,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,401.76 : 51,614.40 = 21,487.20 : x
  2. Step 2: Convert to fraction form
    37,401.76/51,614.40 = 21,487.20/x
  3. Step 3: Cross multiply
    37,401.76x = 51,614.40 × 21,487.20
  4. Step 4: Simplify right side
    37,401.76x = 1,109,048,935.68
  5. Step 5: Solve for x
    x = 1,109,048,935.68/37,401.76
  6. Step 6: Final answer
    x = 29,652.32

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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.