Home / 29,068.80-40,113.55-16,320.42

Finding the Fourth Proportional to 29,068.80, 40,113.55 and 16,320.42

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Solution

The fourth proportional to 29,068.80, 40,113.55 and 16,320.42 is: 22,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.80 : 40,113.55 = 16,320.42 : x
  2. Step 2: Convert to fraction form
    29,068.80/40,113.55 = 16,320.42/x
  3. Step 3: Cross multiply
    29,068.80x = 40,113.55 × 16,320.42
  4. Step 4: Simplify right side
    29,068.80x = 654,669,701.52
  5. Step 5: Solve for x
    x = 654,669,701.52/29,068.80
  6. Step 6: Final answer
    x = 22,521.39

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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.