Home / 39,717.55-59,576.12-18,657.48

Finding the Fourth Proportional to 39,717.55, 59,576.12 and 18,657.48

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Solution

The fourth proportional to 39,717.55, 59,576.12 and 18,657.48 is: 27,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.55 : 59,576.12 = 18,657.48 : x
  2. Step 2: Convert to fraction form
    39,717.55/59,576.12 = 18,657.48/x
  3. Step 3: Cross multiply
    39,717.55x = 59,576.12 × 18,657.48
  4. Step 4: Simplify right side
    39,717.55x = 1,111,540,267.38
  5. Step 5: Solve for x
    x = 1,111,540,267.38/39,717.55
  6. Step 6: Final answer
    x = 27,986.12

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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.