Home / 45,677.57-68,550.98-19,400.76

Finding the Fourth Proportional to 45,677.57, 68,550.98 and 19,400.76

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Solution

The fourth proportional to 45,677.57, 68,550.98 and 19,400.76 is: 29,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,677.57 : 68,550.98 = 19,400.76 : x
  2. Step 2: Convert to fraction form
    45,677.57/68,550.98 = 19,400.76/x
  3. Step 3: Cross multiply
    45,677.57x = 68,550.98 × 19,400.76
  4. Step 4: Simplify right side
    45,677.57x = 1,329,941,013.74
  5. Step 5: Solve for x
    x = 1,329,941,013.74/45,677.57
  6. Step 6: Final answer
    x = 29,115.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.