Home / 66,338.24-91,542.12-37,658.48

Finding the Fourth Proportional to 66,338.24, 91,542.12 and 37,658.48

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Solution

The fourth proportional to 66,338.24, 91,542.12 and 37,658.48 is: 51,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.24 : 91,542.12 = 37,658.48 : x
  2. Step 2: Convert to fraction form
    66,338.24/91,542.12 = 37,658.48/x
  3. Step 3: Cross multiply
    66,338.24x = 91,542.12 × 37,658.48
  4. Step 4: Simplify right side
    66,338.24x = 3,447,337,095.18
  5. Step 5: Solve for x
    x = 3,447,337,095.18/66,338.24
  6. Step 6: Final answer
    x = 51,966.06

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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.