Home / 59,990.47-89,976.44-20,010.15

Finding the Fourth Proportional to 59,990.47, 89,976.44 and 20,010.15

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Solution

The fourth proportional to 59,990.47, 89,976.44 and 20,010.15 is: 30,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,990.47 : 89,976.44 = 20,010.15 : x
  2. Step 2: Convert to fraction form
    59,990.47/89,976.44 = 20,010.15/x
  3. Step 3: Cross multiply
    59,990.47x = 89,976.44 × 20,010.15
  4. Step 4: Simplify right side
    59,990.47x = 1,800,442,110.89
  5. Step 5: Solve for x
    x = 1,800,442,110.89/59,990.47
  6. Step 6: Final answer
    x = 30,012.14

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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.