Home / 29,192.58-40,280.49-16,443.78

Finding the Fourth Proportional to 29,192.58, 40,280.49 and 16,443.78

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Solution

The fourth proportional to 29,192.58, 40,280.49 and 16,443.78 is: 22,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,192.58 : 40,280.49 = 16,443.78 : x
  2. Step 2: Convert to fraction form
    29,192.58/40,280.49 = 16,443.78/x
  3. Step 3: Cross multiply
    29,192.58x = 40,280.49 × 16,443.78
  4. Step 4: Simplify right side
    29,192.58x = 662,363,515.85
  5. Step 5: Solve for x
    x = 662,363,515.85/29,192.58
  6. Step 6: Final answer
    x = 22,689.45

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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.