Home / 32,111.20-48,166.80-31,455.10

Finding the Fourth Proportional to 32,111.20, 48,166.80 and 31,455.10

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Solution

The fourth proportional to 32,111.20, 48,166.80 and 31,455.10 is: 47,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,111.20 : 48,166.80 = 31,455.10 : x
  2. Step 2: Convert to fraction form
    32,111.20/48,166.80 = 31,455.10/x
  3. Step 3: Cross multiply
    32,111.20x = 48,166.80 × 31,455.10
  4. Step 4: Simplify right side
    32,111.20x = 1,515,091,510.68
  5. Step 5: Solve for x
    x = 1,515,091,510.68/32,111.20
  6. Step 6: Final answer
    x = 47,182.65

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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.