Home / 55,519.26-83,278.14-13,398.99

Finding the Fourth Proportional to 55,519.26, 83,278.14 and 13,398.99

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Solution

The fourth proportional to 55,519.26, 83,278.14 and 13,398.99 is: 20,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.26 : 83,278.14 = 13,398.99 : x
  2. Step 2: Convert to fraction form
    55,519.26/83,278.14 = 13,398.99/x
  3. Step 3: Cross multiply
    55,519.26x = 83,278.14 × 13,398.99
  4. Step 4: Simplify right side
    55,519.26x = 1,115,842,965.08
  5. Step 5: Solve for x
    x = 1,115,842,965.08/55,519.26
  6. Step 6: Final answer
    x = 20,098.30

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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.