Home / 37,487.68-51,731.47-21,572.70

Finding the Fourth Proportional to 37,487.68, 51,731.47 and 21,572.70

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Solution

The fourth proportional to 37,487.68, 51,731.47 and 21,572.70 is: 29,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,487.68 : 51,731.47 = 21,572.70 : x
  2. Step 2: Convert to fraction form
    37,487.68/51,731.47 = 21,572.70/x
  3. Step 3: Cross multiply
    37,487.68x = 51,731.47 × 21,572.70
  4. Step 4: Simplify right side
    37,487.68x = 1,115,987,482.87
  5. Step 5: Solve for x
    x = 1,115,987,482.87/37,487.68
  6. Step 6: Final answer
    x = 29,769.45

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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.