Home / 29,335.20-40,478.70-16,590.12

Finding the Fourth Proportional to 29,335.20, 40,478.70 and 16,590.12

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Solution

The fourth proportional to 29,335.20, 40,478.70 and 16,590.12 is: 22,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.20 : 40,478.70 = 16,590.12 : x
  2. Step 2: Convert to fraction form
    29,335.20/40,478.70 = 16,590.12/x
  3. Step 3: Cross multiply
    29,335.20x = 40,478.70 × 16,590.12
  4. Step 4: Simplify right side
    29,335.20x = 671,546,490.44
  5. Step 5: Solve for x
    x = 671,546,490.44/29,335.20
  6. Step 6: Final answer
    x = 22,892.17

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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.