Home / 36,116.56-54,038.40-21,333.52

Finding the Fourth Proportional to 36,116.56, 54,038.40 and 21,333.52

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Solution

The fourth proportional to 36,116.56, 54,038.40 and 21,333.52 is: 31,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,116.56 : 54,038.40 = 21,333.52 : x
  2. Step 2: Convert to fraction form
    36,116.56/54,038.40 = 21,333.52/x
  3. Step 3: Cross multiply
    36,116.56x = 54,038.40 × 21,333.52
  4. Step 4: Simplify right side
    36,116.56x = 1,152,829,287.17
  5. Step 5: Solve for x
    x = 1,152,829,287.17/36,116.56
  6. Step 6: Final answer
    x = 31,919.69

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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.