Home / 39,516.02-54,532.14-22,288.60

Finding the Fourth Proportional to 39,516.02, 54,532.14 and 22,288.60

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Solution

The fourth proportional to 39,516.02, 54,532.14 and 22,288.60 is: 30,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.02 : 54,532.14 = 22,288.60 : x
  2. Step 2: Convert to fraction form
    39,516.02/54,532.14 = 22,288.60/x
  3. Step 3: Cross multiply
    39,516.02x = 54,532.14 × 22,288.60
  4. Step 4: Simplify right side
    39,516.02x = 1,215,445,040.19
  5. Step 5: Solve for x
    x = 1,215,445,040.19/39,516.02
  6. Step 6: Final answer
    x = 30,758.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.