Home / 38,892.60-58,295.70-20,165.40

Finding the Fourth Proportional to 38,892.60, 58,295.70 and 20,165.40

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Solution

The fourth proportional to 38,892.60, 58,295.70 and 20,165.40 is: 30,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,892.60 : 58,295.70 = 20,165.40 : x
  2. Step 2: Convert to fraction form
    38,892.60/58,295.70 = 20,165.40/x
  3. Step 3: Cross multiply
    38,892.60x = 58,295.70 × 20,165.40
  4. Step 4: Simplify right side
    38,892.60x = 1,175,556,108.78
  5. Step 5: Solve for x
    x = 1,175,556,108.78/38,892.60
  6. Step 6: Final answer
    x = 30,225.70

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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.