Home / 45,569.61-68,367.11-13,980.71

Finding the Fourth Proportional to 45,569.61, 68,367.11 and 13,980.71

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Solution

The fourth proportional to 45,569.61, 68,367.11 and 13,980.71 is: 20,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.61 : 68,367.11 = 13,980.71 : x
  2. Step 2: Convert to fraction form
    45,569.61/68,367.11 = 13,980.71/x
  3. Step 3: Cross multiply
    45,569.61x = 68,367.11 × 13,980.71
  4. Step 4: Simplify right side
    45,569.61x = 955,820,326.71
  5. Step 5: Solve for x
    x = 955,820,326.71/45,569.61
  6. Step 6: Final answer
    x = 20,974.95

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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.