Home / 55,280.06-82,920.10-13,727.06

Finding the Fourth Proportional to 55,280.06, 82,920.10 and 13,727.06

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Solution

The fourth proportional to 55,280.06, 82,920.10 and 13,727.06 is: 20,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.06 : 82,920.10 = 13,727.06 : x
  2. Step 2: Convert to fraction form
    55,280.06/82,920.10 = 13,727.06/x
  3. Step 3: Cross multiply
    55,280.06x = 82,920.10 × 13,727.06
  4. Step 4: Simplify right side
    55,280.06x = 1,138,249,187.91
  5. Step 5: Solve for x
    x = 1,138,249,187.91/55,280.06
  6. Step 6: Final answer
    x = 20,590.59

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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.