Home / 29,089.88-40,139.66-16,340.62

Finding the Fourth Proportional to 29,089.88, 40,139.66 and 16,340.62

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Solution

The fourth proportional to 29,089.88, 40,139.66 and 16,340.62 is: 22,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.88 : 40,139.66 = 16,340.62 : x
  2. Step 2: Convert to fraction form
    29,089.88/40,139.66 = 16,340.62/x
  3. Step 3: Cross multiply
    29,089.88x = 40,139.66 × 16,340.62
  4. Step 4: Simplify right side
    29,089.88x = 655,906,930.99
  5. Step 5: Solve for x
    x = 655,906,930.99/29,089.88
  6. Step 6: Final answer
    x = 22,547.60

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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.