Home / 35,186.87-48,545.83-20,068.66

Finding the Fourth Proportional to 35,186.87, 48,545.83 and 20,068.66

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Solution

The fourth proportional to 35,186.87, 48,545.83 and 20,068.66 is: 27,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,186.87 : 48,545.83 = 20,068.66 : x
  2. Step 2: Convert to fraction form
    35,186.87/48,545.83 = 20,068.66/x
  3. Step 3: Cross multiply
    35,186.87x = 48,545.83 × 20,068.66
  4. Step 4: Simplify right side
    35,186.87x = 974,249,756.69
  5. Step 5: Solve for x
    x = 974,249,756.69/35,186.87
  6. Step 6: Final answer
    x = 27,687.88

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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.