Home / 29,337.88-40,471.50-20,959.24

Finding the Fourth Proportional to 29,337.88, 40,471.50 and 20,959.24

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Solution

The fourth proportional to 29,337.88, 40,471.50 and 20,959.24 is: 28,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,337.88 : 40,471.50 = 20,959.24 : x
  2. Step 2: Convert to fraction form
    29,337.88/40,471.50 = 20,959.24/x
  3. Step 3: Cross multiply
    29,337.88x = 40,471.50 × 20,959.24
  4. Step 4: Simplify right side
    29,337.88x = 848,251,881.66
  5. Step 5: Solve for x
    x = 848,251,881.66/29,337.88
  6. Step 6: Final answer
    x = 28,913.20

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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.