Home / 38,380.40-57,300.72-29,327.13

Finding the Fourth Proportional to 38,380.40, 57,300.72 and 29,327.13

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Solution

The fourth proportional to 38,380.40, 57,300.72 and 29,327.13 is: 43,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380.40 : 57,300.72 = 29,327.13 : x
  2. Step 2: Convert to fraction form
    38,380.40/57,300.72 = 29,327.13/x
  3. Step 3: Cross multiply
    38,380.40x = 57,300.72 × 29,327.13
  4. Step 4: Simplify right side
    38,380.40x = 1,680,465,536.79
  5. Step 5: Solve for x
    x = 1,680,465,536.79/38,380.40
  6. Step 6: Final answer
    x = 43,784.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.