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Finding the Fourth Proportional to 63,240.45, 94,873.12 and 18,866.22

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Solution

The fourth proportional to 63,240.45, 94,873.12 and 18,866.22 is: 28,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,240.45 : 94,873.12 = 18,866.22 : x
  2. Step 2: Convert to fraction form
    63,240.45/94,873.12 = 18,866.22/x
  3. Step 3: Cross multiply
    63,240.45x = 94,873.12 × 18,866.22
  4. Step 4: Simplify right side
    63,240.45x = 1,789,896,751.07
  5. Step 5: Solve for x
    x = 1,789,896,751.07/63,240.45
  6. Step 6: Final answer
    x = 28,303.04

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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.