Home / 29,116.50-40,138.41-20,592.06

Finding the Fourth Proportional to 29,116.50, 40,138.41 and 20,592.06

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Solution

The fourth proportional to 29,116.50, 40,138.41 and 20,592.06 is: 28,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.50 : 40,138.41 = 20,592.06 : x
  2. Step 2: Convert to fraction form
    29,116.50/40,138.41 = 20,592.06/x
  3. Step 3: Cross multiply
    29,116.50x = 40,138.41 × 20,592.06
  4. Step 4: Simplify right side
    29,116.50x = 826,532,547.02
  5. Step 5: Solve for x
    x = 826,532,547.02/29,116.50
  6. Step 6: Final answer
    x = 28,387.08

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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.