Home / 39,397.50-54,368.55-22,630.50

Finding the Fourth Proportional to 39,397.50, 54,368.55 and 22,630.50

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Solution

The fourth proportional to 39,397.50, 54,368.55 and 22,630.50 is: 31,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.50 : 54,368.55 = 22,630.50 : x
  2. Step 2: Convert to fraction form
    39,397.50/54,368.55 = 22,630.50/x
  3. Step 3: Cross multiply
    39,397.50x = 54,368.55 × 22,630.50
  4. Step 4: Simplify right side
    39,397.50x = 1,230,387,470.78
  5. Step 5: Solve for x
    x = 1,230,387,470.78/39,397.50
  6. Step 6: Final answer
    x = 31,230.09

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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.