Home / 62,683.20-86,500.80-34,387.20

Finding the Fourth Proportional to 62,683.20, 86,500.80 and 34,387.20

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Solution

The fourth proportional to 62,683.20, 86,500.80 and 34,387.20 is: 47,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,683.20 : 86,500.80 = 34,387.20 : x
  2. Step 2: Convert to fraction form
    62,683.20/86,500.80 = 34,387.20/x
  3. Step 3: Cross multiply
    62,683.20x = 86,500.80 × 34,387.20
  4. Step 4: Simplify right side
    62,683.20x = 2,974,520,309.76
  5. Step 5: Solve for x
    x = 2,974,520,309.76/62,683.20
  6. Step 6: Final answer
    x = 47,453.23

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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.