Home / 32,718.60-49,150.80-31,390.20

Finding the Fourth Proportional to 32,718.60, 49,150.80 and 31,390.20

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Solution

The fourth proportional to 32,718.60, 49,150.80 and 31,390.20 is: 47,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718.60 : 49,150.80 = 31,390.20 : x
  2. Step 2: Convert to fraction form
    32,718.60/49,150.80 = 31,390.20/x
  3. Step 3: Cross multiply
    32,718.60x = 49,150.80 × 31,390.20
  4. Step 4: Simplify right side
    32,718.60x = 1,542,853,442.16
  5. Step 5: Solve for x
    x = 1,542,853,442.16/32,718.60
  6. Step 6: Final answer
    x = 47,155.24

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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.