Home / 45,545.46-68,320.28-13,953.25

Finding the Fourth Proportional to 45,545.46, 68,320.28 and 13,953.25

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Solution

The fourth proportional to 45,545.46, 68,320.28 and 13,953.25 is: 20,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.46 : 68,320.28 = 13,953.25 : x
  2. Step 2: Convert to fraction form
    45,545.46/68,320.28 = 13,953.25/x
  3. Step 3: Cross multiply
    45,545.46x = 68,320.28 × 13,953.25
  4. Step 4: Simplify right side
    45,545.46x = 953,289,946.91
  5. Step 5: Solve for x
    x = 953,289,946.91/45,545.46
  6. Step 6: Final answer
    x = 20,930.52

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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.