Home / 63,288.08-94,937.16-18,911.60

Finding the Fourth Proportional to 63,288.08, 94,937.16 and 18,911.60

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Solution

The fourth proportional to 63,288.08, 94,937.16 and 18,911.60 is: 28,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,288.08 : 94,937.16 = 18,911.60 : x
  2. Step 2: Convert to fraction form
    63,288.08/94,937.16 = 18,911.60/x
  3. Step 3: Cross multiply
    63,288.08x = 94,937.16 × 18,911.60
  4. Step 4: Simplify right side
    63,288.08x = 1,795,413,595.06
  5. Step 5: Solve for x
    x = 1,795,413,595.06/63,288.08
  6. Step 6: Final answer
    x = 28,368.91

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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.