Home / 29,278.50-40,404.33-16,702.98

Finding the Fourth Proportional to 29,278.50, 40,404.33 and 16,702.98

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Solution

The fourth proportional to 29,278.50, 40,404.33 and 16,702.98 is: 23,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.50 : 40,404.33 = 16,702.98 : x
  2. Step 2: Convert to fraction form
    29,278.50/40,404.33 = 16,702.98/x
  3. Step 3: Cross multiply
    29,278.50x = 40,404.33 × 16,702.98
  4. Step 4: Simplify right side
    29,278.50x = 674,872,715.90
  5. Step 5: Solve for x
    x = 674,872,715.90/29,278.50
  6. Step 6: Final answer
    x = 23,050.11

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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.