Home / 29,325.43-40,470.20-21,263.10

Finding the Fourth Proportional to 29,325.43, 40,470.20 and 21,263.10

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Solution

The fourth proportional to 29,325.43, 40,470.20 and 21,263.10 is: 29,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.43 : 40,470.20 = 21,263.10 : x
  2. Step 2: Convert to fraction form
    29,325.43/40,470.20 = 21,263.10/x
  3. Step 3: Cross multiply
    29,325.43x = 40,470.20 × 21,263.10
  4. Step 4: Simplify right side
    29,325.43x = 860,521,909.62
  5. Step 5: Solve for x
    x = 860,521,909.62/29,325.43
  6. Step 6: Final answer
    x = 29,343.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.