Home / 55,618.14-83,426.50-13,498.57

Finding the Fourth Proportional to 55,618.14, 83,426.50 and 13,498.57

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Solution

The fourth proportional to 55,618.14, 83,426.50 and 13,498.57 is: 20,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.14 : 83,426.50 = 13,498.57 : x
  2. Step 2: Convert to fraction form
    55,618.14/83,426.50 = 13,498.57/x
  3. Step 3: Cross multiply
    55,618.14x = 83,426.50 × 13,498.57
  4. Step 4: Simplify right side
    55,618.14x = 1,126,138,450.11
  5. Step 5: Solve for x
    x = 1,126,138,450.11/55,618.14
  6. Step 6: Final answer
    x = 20,247.68

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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.