Home / 56,961.40-85,443.45-17,518.87

Finding the Fourth Proportional to 56,961.40, 85,443.45 and 17,518.87

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Solution

The fourth proportional to 56,961.40, 85,443.45 and 17,518.87 is: 26,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,961.40 : 85,443.45 = 17,518.87 : x
  2. Step 2: Convert to fraction form
    56,961.40/85,443.45 = 17,518.87/x
  3. Step 3: Cross multiply
    56,961.40x = 85,443.45 × 17,518.87
  4. Step 4: Simplify right side
    56,961.40x = 1,496,872,692.90
  5. Step 5: Solve for x
    x = 1,496,872,692.90/56,961.40
  6. Step 6: Final answer
    x = 26,278.72

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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.