Home / 52,209.59-78,314.38-12,766.23

Finding the Fourth Proportional to 52,209.59, 78,314.38 and 12,766.23

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Solution

The fourth proportional to 52,209.59, 78,314.38 and 12,766.23 is: 19,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.59 : 78,314.38 = 12,766.23 : x
  2. Step 2: Convert to fraction form
    52,209.59/78,314.38 = 12,766.23/x
  3. Step 3: Cross multiply
    52,209.59x = 78,314.38 × 12,766.23
  4. Step 4: Simplify right side
    52,209.59x = 999,779,355.47
  5. Step 5: Solve for x
    x = 999,779,355.47/52,209.59
  6. Step 6: Final answer
    x = 19,149.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.