Home / 56,553.08-77,999.99-38,417.79

Finding the Fourth Proportional to 56,553.08, 77,999.99 and 38,417.79

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Solution

The fourth proportional to 56,553.08, 77,999.99 and 38,417.79 is: 52,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553.08 : 77,999.99 = 38,417.79 : x
  2. Step 2: Convert to fraction form
    56,553.08/77,999.99 = 38,417.79/x
  3. Step 3: Cross multiply
    56,553.08x = 77,999.99 × 38,417.79
  4. Step 4: Simplify right side
    56,553.08x = 2,996,587,043.73
  5. Step 5: Solve for x
    x = 2,996,587,043.73/56,553.08
  6. Step 6: Final answer
    x = 52,987.16

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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.