Home / 52,989.16-79,499.64-21,382.96

Finding the Fourth Proportional to 52,989.16, 79,499.64 and 21,382.96

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Solution

The fourth proportional to 52,989.16, 79,499.64 and 21,382.96 is: 32,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,989.16 : 79,499.64 = 21,382.96 : x
  2. Step 2: Convert to fraction form
    52,989.16/79,499.64 = 21,382.96/x
  3. Step 3: Cross multiply
    52,989.16x = 79,499.64 × 21,382.96
  4. Step 4: Simplify right side
    52,989.16x = 1,699,937,622.13
  5. Step 5: Solve for x
    x = 1,699,937,622.13/52,989.16
  6. Step 6: Final answer
    x = 32,080.86

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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.