Home / 29,560.47-40,724.13-20,591.74

Finding the Fourth Proportional to 29,560.47, 40,724.13 and 20,591.74

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Solution

The fourth proportional to 29,560.47, 40,724.13 and 20,591.74 is: 28,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,560.47 : 40,724.13 = 20,591.74 : x
  2. Step 2: Convert to fraction form
    29,560.47/40,724.13 = 20,591.74/x
  3. Step 3: Cross multiply
    29,560.47x = 40,724.13 × 20,591.74
  4. Step 4: Simplify right side
    29,560.47x = 838,580,696.69
  5. Step 5: Solve for x
    x = 838,580,696.69/29,560.47
  6. Step 6: Final answer
    x = 28,368.31

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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.