Home / 29,136.48-40,208.24-16,561.20

Finding the Fourth Proportional to 29,136.48, 40,208.24 and 16,561.20

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Solution

The fourth proportional to 29,136.48, 40,208.24 and 16,561.20 is: 22,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.48 : 40,208.24 = 16,561.20 : x
  2. Step 2: Convert to fraction form
    29,136.48/40,208.24 = 16,561.20/x
  3. Step 3: Cross multiply
    29,136.48x = 40,208.24 × 16,561.20
  4. Step 4: Simplify right side
    29,136.48x = 665,896,704.29
  5. Step 5: Solve for x
    x = 665,896,704.29/29,136.48
  6. Step 6: Final answer
    x = 22,854.40

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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.