Home / 36,657.12-54,985.20-8,955.36

Finding the Fourth Proportional to 36,657.12, 54,985.20 and 8,955.36

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Solution

The fourth proportional to 36,657.12, 54,985.20 and 8,955.36 is: 13,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,657.12 : 54,985.20 = 8,955.36 : x
  2. Step 2: Convert to fraction form
    36,657.12/54,985.20 = 8,955.36/x
  3. Step 3: Cross multiply
    36,657.12x = 54,985.20 × 8,955.36
  4. Step 4: Simplify right side
    36,657.12x = 492,412,260.67
  5. Step 5: Solve for x
    x = 492,412,260.67/36,657.12
  6. Step 6: Final answer
    x = 13,432.92

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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.