Home / 42,228.80-63,345.24-11,064.08

Finding the Fourth Proportional to 42,228.80, 63,345.24 and 11,064.08

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Solution

The fourth proportional to 42,228.80, 63,345.24 and 11,064.08 is: 16,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.80 : 63,345.24 = 11,064.08 : x
  2. Step 2: Convert to fraction form
    42,228.80/63,345.24 = 11,064.08/x
  3. Step 3: Cross multiply
    42,228.80x = 63,345.24 × 11,064.08
  4. Step 4: Simplify right side
    42,228.80x = 700,856,802.98
  5. Step 5: Solve for x
    x = 700,856,802.98/42,228.80
  6. Step 6: Final answer
    x = 16,596.65

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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.