Home / 62,020.20-85,628.04-39,083.10

Finding the Fourth Proportional to 62,020.20, 85,628.04 and 39,083.10

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Solution

The fourth proportional to 62,020.20, 85,628.04 and 39,083.10 is: 53,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,020.20 : 85,628.04 = 39,083.10 : x
  2. Step 2: Convert to fraction form
    62,020.20/85,628.04 = 39,083.10/x
  3. Step 3: Cross multiply
    62,020.20x = 85,628.04 × 39,083.10
  4. Step 4: Simplify right side
    62,020.20x = 3,346,609,250.12
  5. Step 5: Solve for x
    x = 3,346,609,250.12/62,020.20
  6. Step 6: Final answer
    x = 53,959.99

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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.