Home / 55,140.31-82,699.17-15,686.83

Finding the Fourth Proportional to 55,140.31, 82,699.17 and 15,686.83

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Solution

The fourth proportional to 55,140.31, 82,699.17 and 15,686.83 is: 23,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.31 : 82,699.17 = 15,686.83 : x
  2. Step 2: Convert to fraction form
    55,140.31/82,699.17 = 15,686.83/x
  3. Step 3: Cross multiply
    55,140.31x = 82,699.17 × 15,686.83
  4. Step 4: Simplify right side
    55,140.31x = 1,297,287,820.93
  5. Step 5: Solve for x
    x = 1,297,287,820.93/55,140.31
  6. Step 6: Final answer
    x = 23,527.03

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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.