Home / 63,288.32-94,931.56-18,914.08

Finding the Fourth Proportional to 63,288.32, 94,931.56 and 18,914.08

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Solution

The fourth proportional to 63,288.32, 94,931.56 and 18,914.08 is: 28,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,288.32 : 94,931.56 = 18,914.08 : x
  2. Step 2: Convert to fraction form
    63,288.32/94,931.56 = 18,914.08/x
  3. Step 3: Cross multiply
    63,288.32x = 94,931.56 × 18,914.08
  4. Step 4: Simplify right side
    63,288.32x = 1,795,543,120.36
  5. Step 5: Solve for x
    x = 1,795,543,120.36/63,288.32
  6. Step 6: Final answer
    x = 28,370.85

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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.