Home / 61,379.27-84,715.02-38,419.74

Finding the Fourth Proportional to 61,379.27, 84,715.02 and 38,419.74

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Solution

The fourth proportional to 61,379.27, 84,715.02 and 38,419.74 is: 53,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,379.27 : 84,715.02 = 38,419.74 : x
  2. Step 2: Convert to fraction form
    61,379.27/84,715.02 = 38,419.74/x
  3. Step 3: Cross multiply
    61,379.27x = 84,715.02 × 38,419.74
  4. Step 4: Simplify right side
    61,379.27x = 3,254,729,042.49
  5. Step 5: Solve for x
    x = 3,254,729,042.49/61,379.27
  6. Step 6: Final answer
    x = 53,026.52

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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.