Home / 39,729.60-54,793.80-23,810.40

Finding the Fourth Proportional to 39,729.60, 54,793.80 and 23,810.40

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Solution

The fourth proportional to 39,729.60, 54,793.80 and 23,810.40 is: 32,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.60 : 54,793.80 = 23,810.40 : x
  2. Step 2: Convert to fraction form
    39,729.60/54,793.80 = 23,810.40/x
  3. Step 3: Cross multiply
    39,729.60x = 54,793.80 × 23,810.40
  4. Step 4: Simplify right side
    39,729.60x = 1,304,662,295.52
  5. Step 5: Solve for x
    x = 1,304,662,295.52/39,729.60
  6. Step 6: Final answer
    x = 32,838.55

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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.