Home / 29,387.56-40,557.34-16,642.99

Finding the Fourth Proportional to 29,387.56, 40,557.34 and 16,642.99

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Solution

The fourth proportional to 29,387.56, 40,557.34 and 16,642.99 is: 22,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.56 : 40,557.34 = 16,642.99 : x
  2. Step 2: Convert to fraction form
    29,387.56/40,557.34 = 16,642.99/x
  3. Step 3: Cross multiply
    29,387.56x = 40,557.34 × 16,642.99
  4. Step 4: Simplify right side
    29,387.56x = 674,995,320.83
  5. Step 5: Solve for x
    x = 674,995,320.83/29,387.56
  6. Step 6: Final answer
    x = 22,968.75

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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.