Home / 38,785.18-58,174.52-15,405.34

Finding the Fourth Proportional to 38,785.18, 58,174.52 and 15,405.34

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Solution

The fourth proportional to 38,785.18, 58,174.52 and 15,405.34 is: 23,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.18 : 58,174.52 = 15,405.34 : x
  2. Step 2: Convert to fraction form
    38,785.18/58,174.52 = 15,405.34/x
  3. Step 3: Cross multiply
    38,785.18x = 58,174.52 × 15,405.34
  4. Step 4: Simplify right side
    38,785.18x = 896,198,259.94
  5. Step 5: Solve for x
    x = 896,198,259.94/38,785.18
  6. Step 6: Final answer
    x = 23,106.72

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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.