Home / 38,937.60-58,435.20-25,785.60

Finding the Fourth Proportional to 38,937.60, 58,435.20 and 25,785.60

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Solution

The fourth proportional to 38,937.60, 58,435.20 and 25,785.60 is: 38,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.60 : 58,435.20 = 25,785.60 : x
  2. Step 2: Convert to fraction form
    38,937.60/58,435.20 = 25,785.60/x
  3. Step 3: Cross multiply
    38,937.60x = 58,435.20 × 25,785.60
  4. Step 4: Simplify right side
    38,937.60x = 1,506,786,693.12
  5. Step 5: Solve for x
    x = 1,506,786,693.12/38,937.60
  6. Step 6: Final answer
    x = 38,697.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.