Home / 39,657.25-54,731.87-22,890.25

Finding the Fourth Proportional to 39,657.25, 54,731.87 and 22,890.25

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Solution

The fourth proportional to 39,657.25, 54,731.87 and 22,890.25 is: 31,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.25 : 54,731.87 = 22,890.25 : x
  2. Step 2: Convert to fraction form
    39,657.25/54,731.87 = 22,890.25/x
  3. Step 3: Cross multiply
    39,657.25x = 54,731.87 × 22,890.25
  4. Step 4: Simplify right side
    39,657.25x = 1,252,826,187.27
  5. Step 5: Solve for x
    x = 1,252,826,187.27/39,657.25
  6. Step 6: Final answer
    x = 31,591.35

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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.