Home / 67,007.90-92,464.08-38,722.70

Finding the Fourth Proportional to 67,007.90, 92,464.08 and 38,722.70

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Solution

The fourth proportional to 67,007.90, 92,464.08 and 38,722.70 is: 53,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,007.90 : 92,464.08 = 38,722.70 : x
  2. Step 2: Convert to fraction form
    67,007.90/92,464.08 = 38,722.70/x
  3. Step 3: Cross multiply
    67,007.90x = 92,464.08 × 38,722.70
  4. Step 4: Simplify right side
    67,007.90x = 3,580,458,830.62
  5. Step 5: Solve for x
    x = 3,580,458,830.62/67,007.90
  6. Step 6: Final answer
    x = 53,433.38

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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.