Home / 38,750.20-58,125.30-15,364.60

Finding the Fourth Proportional to 38,750.20, 58,125.30 and 15,364.60

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Solution

The fourth proportional to 38,750.20, 58,125.30 and 15,364.60 is: 23,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,750.20 : 58,125.30 = 15,364.60 : x
  2. Step 2: Convert to fraction form
    38,750.20/58,125.30 = 15,364.60/x
  3. Step 3: Cross multiply
    38,750.20x = 58,125.30 × 15,364.60
  4. Step 4: Simplify right side
    38,750.20x = 893,071,984.38
  5. Step 5: Solve for x
    x = 893,071,984.38/38,750.20
  6. Step 6: Final answer
    x = 23,046.90

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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.