Home / 61,684.11-85,034.97-40,426.47

Finding the Fourth Proportional to 61,684.11, 85,034.97 and 40,426.47

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Solution

The fourth proportional to 61,684.11, 85,034.97 and 40,426.47 is: 55,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,684.11 : 85,034.97 = 40,426.47 : x
  2. Step 2: Convert to fraction form
    61,684.11/85,034.97 = 40,426.47/x
  3. Step 3: Cross multiply
    61,684.11x = 85,034.97 × 40,426.47
  4. Step 4: Simplify right side
    61,684.11x = 3,437,663,663.66
  5. Step 5: Solve for x
    x = 3,437,663,663.66/61,684.11
  6. Step 6: Final answer
    x = 55,730.13

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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.