Home / 55,539.27-76,643.01-31,663.71

Finding the Fourth Proportional to 55,539.27, 76,643.01 and 31,663.71

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Solution

The fourth proportional to 55,539.27, 76,643.01 and 31,663.71 is: 43,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.27 : 76,643.01 = 31,663.71 : x
  2. Step 2: Convert to fraction form
    55,539.27/76,643.01 = 31,663.71/x
  3. Step 3: Cross multiply
    55,539.27x = 76,643.01 × 31,663.71
  4. Step 4: Simplify right side
    55,539.27x = 2,426,802,042.17
  5. Step 5: Solve for x
    x = 2,426,802,042.17/55,539.27
  6. Step 6: Final answer
    x = 43,695.25

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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.