Home / 38,730.60-58,095.90-38,402.55

Finding the Fourth Proportional to 38,730.60, 58,095.90 and 38,402.55

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Solution

The fourth proportional to 38,730.60, 58,095.90 and 38,402.55 is: 57,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,730.60 : 58,095.90 = 38,402.55 : x
  2. Step 2: Convert to fraction form
    38,730.60/58,095.90 = 38,402.55/x
  3. Step 3: Cross multiply
    38,730.60x = 58,095.90 × 38,402.55
  4. Step 4: Simplify right side
    38,730.60x = 2,231,030,704.55
  5. Step 5: Solve for x
    x = 2,231,030,704.55/38,730.60
  6. Step 6: Final answer
    x = 57,603.83

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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.