Home / 54,235.52-81,322.12-28,903.85

Finding the Fourth Proportional to 54,235.52, 81,322.12 and 28,903.85

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Solution

The fourth proportional to 54,235.52, 81,322.12 and 28,903.85 is: 43,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.52 : 81,322.12 = 28,903.85 : x
  2. Step 2: Convert to fraction form
    54,235.52/81,322.12 = 28,903.85/x
  3. Step 3: Cross multiply
    54,235.52x = 81,322.12 × 28,903.85
  4. Step 4: Simplify right side
    54,235.52x = 2,350,522,358.16
  5. Step 5: Solve for x
    x = 2,350,522,358.16/54,235.52
  6. Step 6: Final answer
    x = 43,339.17

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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.