Home / 67,830.57-93,612.11-39,535.65

Finding the Fourth Proportional to 67,830.57, 93,612.11 and 39,535.65

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Solution

The fourth proportional to 67,830.57, 93,612.11 and 39,535.65 is: 54,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,830.57 : 93,612.11 = 39,535.65 : x
  2. Step 2: Convert to fraction form
    67,830.57/93,612.11 = 39,535.65/x
  3. Step 3: Cross multiply
    67,830.57x = 93,612.11 × 39,535.65
  4. Step 4: Simplify right side
    67,830.57x = 3,701,015,419.04
  5. Step 5: Solve for x
    x = 3,701,015,419.04/67,830.57
  6. Step 6: Final answer
    x = 54,562.65

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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.