Home / 29,149.90-40,219.95-16,581.58

Finding the Fourth Proportional to 29,149.90, 40,219.95 and 16,581.58

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Solution

The fourth proportional to 29,149.90, 40,219.95 and 16,581.58 is: 22,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.90 : 40,219.95 = 16,581.58 : x
  2. Step 2: Convert to fraction form
    29,149.90/40,219.95 = 16,581.58/x
  3. Step 3: Cross multiply
    29,149.90x = 40,219.95 × 16,581.58
  4. Step 4: Simplify right side
    29,149.90x = 666,910,318.52
  5. Step 5: Solve for x
    x = 666,910,318.52/29,149.90
  6. Step 6: Final answer
    x = 22,878.65

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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.