Home / 55,038.07-82,557.11-21,773.80

Finding the Fourth Proportional to 55,038.07, 82,557.11 and 21,773.80

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Solution

The fourth proportional to 55,038.07, 82,557.11 and 21,773.80 is: 32,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,038.07 : 82,557.11 = 21,773.80 : x
  2. Step 2: Convert to fraction form
    55,038.07/82,557.11 = 21,773.80/x
  3. Step 3: Cross multiply
    55,038.07x = 82,557.11 × 21,773.80
  4. Step 4: Simplify right side
    55,038.07x = 1,797,582,001.72
  5. Step 5: Solve for x
    x = 1,797,582,001.72/55,038.07
  6. Step 6: Final answer
    x = 32,660.70

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1.5x scale

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.