Home / 38,532.60-57,838.14-20,762.48

Finding the Fourth Proportional to 38,532.60, 57,838.14 and 20,762.48

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Solution

The fourth proportional to 38,532.60, 57,838.14 and 20,762.48 is: 31,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,532.60 : 57,838.14 = 20,762.48 : x
  2. Step 2: Convert to fraction form
    38,532.60/57,838.14 = 20,762.48/x
  3. Step 3: Cross multiply
    38,532.60x = 57,838.14 × 20,762.48
  4. Step 4: Simplify right side
    38,532.60x = 1,200,862,935.80
  5. Step 5: Solve for x
    x = 1,200,862,935.80/38,532.60
  6. Step 6: Final answer
    x = 31,164.86

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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.