Home / 61,338.29-84,711.09-42,267.65

Finding the Fourth Proportional to 61,338.29, 84,711.09 and 42,267.65

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Solution

The fourth proportional to 61,338.29, 84,711.09 and 42,267.65 is: 58,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,338.29 : 84,711.09 = 42,267.65 : x
  2. Step 2: Convert to fraction form
    61,338.29/84,711.09 = 42,267.65/x
  3. Step 3: Cross multiply
    61,338.29x = 84,711.09 × 42,267.65
  4. Step 4: Simplify right side
    61,338.29x = 3,580,538,279.68
  5. Step 5: Solve for x
    x = 3,580,538,279.68/61,338.29
  6. Step 6: Final answer
    x = 58,373.63

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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.