Home / 55,987.10-83,992.49-18,545.05

Finding the Fourth Proportional to 55,987.10, 83,992.49 and 18,545.05

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Solution

The fourth proportional to 55,987.10, 83,992.49 and 18,545.05 is: 27,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.10 : 83,992.49 = 18,545.05 : x
  2. Step 2: Convert to fraction form
    55,987.10/83,992.49 = 18,545.05/x
  3. Step 3: Cross multiply
    55,987.10x = 83,992.49 × 18,545.05
  4. Step 4: Simplify right side
    55,987.10x = 1,557,644,926.67
  5. Step 5: Solve for x
    x = 1,557,644,926.67/55,987.10
  6. Step 6: Final answer
    x = 27,821.50

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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.