Home / 42,154.24-63,230.64-12,572.16

Finding the Fourth Proportional to 42,154.24, 63,230.64 and 12,572.16

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Solution

The fourth proportional to 42,154.24, 63,230.64 and 12,572.16 is: 18,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154.24 : 63,230.64 = 12,572.16 : x
  2. Step 2: Convert to fraction form
    42,154.24/63,230.64 = 12,572.16/x
  3. Step 3: Cross multiply
    42,154.24x = 63,230.64 × 12,572.16
  4. Step 4: Simplify right side
    42,154.24x = 794,945,722.98
  5. Step 5: Solve for x
    x = 794,945,722.98/42,154.24
  6. Step 6: Final answer
    x = 18,858.03

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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.