Home / 36,978.32-55,427.48-14,767.28

Finding the Fourth Proportional to 36,978.32, 55,427.48 and 14,767.28

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Solution

The fourth proportional to 36,978.32, 55,427.48 and 14,767.28 is: 22,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978.32 : 55,427.48 = 14,767.28 : x
  2. Step 2: Convert to fraction form
    36,978.32/55,427.48 = 14,767.28/x
  3. Step 3: Cross multiply
    36,978.32x = 55,427.48 × 14,767.28
  4. Step 4: Simplify right side
    36,978.32x = 818,513,116.85
  5. Step 5: Solve for x
    x = 818,513,116.85/36,978.32
  6. Step 6: Final answer
    x = 22,134.95

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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.