Home / 56,129.24-84,197.36-18,692.66

Finding the Fourth Proportional to 56,129.24, 84,197.36 and 18,692.66

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Solution

The fourth proportional to 56,129.24, 84,197.36 and 18,692.66 is: 28,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.24 : 84,197.36 = 18,692.66 : x
  2. Step 2: Convert to fraction form
    56,129.24/84,197.36 = 18,692.66/x
  3. Step 3: Cross multiply
    56,129.24x = 84,197.36 × 18,692.66
  4. Step 4: Simplify right side
    56,129.24x = 1,573,872,623.38
  5. Step 5: Solve for x
    x = 1,573,872,623.38/56,129.24
  6. Step 6: Final answer
    x = 28,040.16

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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.