Home / 62,081.47-85,646.30-39,070.53

Finding the Fourth Proportional to 62,081.47, 85,646.30 and 39,070.53

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Solution

The fourth proportional to 62,081.47, 85,646.30 and 39,070.53 is: 53,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,081.47 : 85,646.30 = 39,070.53 : x
  2. Step 2: Convert to fraction form
    62,081.47/85,646.30 = 39,070.53/x
  3. Step 3: Cross multiply
    62,081.47x = 85,646.30 × 39,070.53
  4. Step 4: Simplify right side
    62,081.47x = 3,346,246,333.54
  5. Step 5: Solve for x
    x = 3,346,246,333.54/62,081.47
  6. Step 6: Final answer
    x = 53,900.89

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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.