Home / 20,053.52-30,087.12-7,577.15

Finding the Fourth Proportional to 20,053.52, 30,087.12 and 7,577.15

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Solution

The fourth proportional to 20,053.52, 30,087.12 and 7,577.15 is: 11,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.52 : 30,087.12 = 7,577.15 : x
  2. Step 2: Convert to fraction form
    20,053.52/30,087.12 = 7,577.15/x
  3. Step 3: Cross multiply
    20,053.52x = 30,087.12 × 7,577.15
  4. Step 4: Simplify right side
    20,053.52x = 227,974,470.87
  5. Step 5: Solve for x
    x = 227,974,470.87/20,053.52
  6. Step 6: Final answer
    x = 11,368.30

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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.