Home / 40,513.60-60,780.18-15,213.32

Finding the Fourth Proportional to 40,513.60, 60,780.18 and 15,213.32

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Solution

The fourth proportional to 40,513.60, 60,780.18 and 15,213.32 is: 22,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513.60 : 60,780.18 = 15,213.32 : x
  2. Step 2: Convert to fraction form
    40,513.60/60,780.18 = 15,213.32/x
  3. Step 3: Cross multiply
    40,513.60x = 60,780.18 × 15,213.32
  4. Step 4: Simplify right side
    40,513.60x = 924,668,328.00
  5. Step 5: Solve for x
    x = 924,668,328.00/40,513.60
  6. Step 6: Final answer
    x = 22,823.65

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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.