Home / 39,445.15-54,407.32-23,517.31

Finding the Fourth Proportional to 39,445.15, 54,407.32 and 23,517.31

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Solution

The fourth proportional to 39,445.15, 54,407.32 and 23,517.31 is: 32,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,445.15 : 54,407.32 = 23,517.31 : x
  2. Step 2: Convert to fraction form
    39,445.15/54,407.32 = 23,517.31/x
  3. Step 3: Cross multiply
    39,445.15x = 54,407.32 × 23,517.31
  4. Step 4: Simplify right side
    39,445.15x = 1,279,513,810.71
  5. Step 5: Solve for x
    x = 1,279,513,810.71/39,445.15
  6. Step 6: Final answer
    x = 32,437.80

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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.