Home / 55,082.40-82,623.76-21,810.32

Finding the Fourth Proportional to 55,082.40, 82,623.76 and 21,810.32

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Solution

The fourth proportional to 55,082.40, 82,623.76 and 21,810.32 is: 32,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.40 : 82,623.76 = 21,810.32 : x
  2. Step 2: Convert to fraction form
    55,082.40/82,623.76 = 21,810.32/x
  3. Step 3: Cross multiply
    55,082.40x = 82,623.76 × 21,810.32
  4. Step 4: Simplify right side
    55,082.40x = 1,802,050,645.20
  5. Step 5: Solve for x
    x = 1,802,050,645.20/55,082.40
  6. Step 6: Final answer
    x = 32,715.54

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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.