Home / 42,039.14-63,098.07-21,277.22

Finding the Fourth Proportional to 42,039.14, 63,098.07 and 21,277.22

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Solution

The fourth proportional to 42,039.14, 63,098.07 and 21,277.22 is: 31,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.14 : 63,098.07 = 21,277.22 : x
  2. Step 2: Convert to fraction form
    42,039.14/63,098.07 = 21,277.22/x
  3. Step 3: Cross multiply
    42,039.14x = 63,098.07 × 21,277.22
  4. Step 4: Simplify right side
    42,039.14x = 1,342,551,516.97
  5. Step 5: Solve for x
    x = 1,342,551,516.97/42,039.14
  6. Step 6: Final answer
    x = 31,935.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.