Home / 51,985.62-77,983.20-14,545.62

Finding the Fourth Proportional to 51,985.62, 77,983.20 and 14,545.62

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Solution

The fourth proportional to 51,985.62, 77,983.20 and 14,545.62 is: 21,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.62 : 77,983.20 = 14,545.62 : x
  2. Step 2: Convert to fraction form
    51,985.62/77,983.20 = 14,545.62/x
  3. Step 3: Cross multiply
    51,985.62x = 77,983.20 × 14,545.62
  4. Step 4: Simplify right side
    51,985.62x = 1,134,313,993.58
  5. Step 5: Solve for x
    x = 1,134,313,993.58/51,985.62
  6. Step 6: Final answer
    x = 21,819.76

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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.