Home / 59,987.67-89,986.29-20,545.13

Finding the Fourth Proportional to 59,987.67, 89,986.29 and 20,545.13

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Solution

The fourth proportional to 59,987.67, 89,986.29 and 20,545.13 is: 30,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,987.67 : 89,986.29 = 20,545.13 : x
  2. Step 2: Convert to fraction form
    59,987.67/89,986.29 = 20,545.13/x
  3. Step 3: Cross multiply
    59,987.67x = 89,986.29 × 20,545.13
  4. Step 4: Simplify right side
    59,987.67x = 1,848,780,026.27
  5. Step 5: Solve for x
    x = 1,848,780,026.27/59,987.67
  6. Step 6: Final answer
    x = 30,819.33

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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.