Home / 38,958.04-53,787.56-29,988.91

Finding the Fourth Proportional to 38,958.04, 53,787.56 and 29,988.91

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Solution

The fourth proportional to 38,958.04, 53,787.56 and 29,988.91 is: 41,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,958.04 : 53,787.56 = 29,988.91 : x
  2. Step 2: Convert to fraction form
    38,958.04/53,787.56 = 29,988.91/x
  3. Step 3: Cross multiply
    38,958.04x = 53,787.56 × 29,988.91
  4. Step 4: Simplify right side
    38,958.04x = 1,613,030,295.96
  5. Step 5: Solve for x
    x = 1,613,030,295.96/38,958.04
  6. Step 6: Final answer
    x = 41,404.30

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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.