Home / 32,918.09-49,280.20-20,397.87

Finding the Fourth Proportional to 32,918.09, 49,280.20 and 20,397.87

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Solution

The fourth proportional to 32,918.09, 49,280.20 and 20,397.87 is: 30,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.09 : 49,280.20 = 20,397.87 : x
  2. Step 2: Convert to fraction form
    32,918.09/49,280.20 = 20,397.87/x
  3. Step 3: Cross multiply
    32,918.09x = 49,280.20 × 20,397.87
  4. Step 4: Simplify right side
    32,918.09x = 1,005,211,062.18
  5. Step 5: Solve for x
    x = 1,005,211,062.18/32,918.09
  6. Step 6: Final answer
    x = 30,536.74

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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.