Home / 32,854.16-49,283.87-13,121.88

Finding the Fourth Proportional to 32,854.16, 49,283.87 and 13,121.88

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Solution

The fourth proportional to 32,854.16, 49,283.87 and 13,121.88 is: 19,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,854.16 : 49,283.87 = 13,121.88 : x
  2. Step 2: Convert to fraction form
    32,854.16/49,283.87 = 13,121.88/x
  3. Step 3: Cross multiply
    32,854.16x = 49,283.87 × 13,121.88
  4. Step 4: Simplify right side
    32,854.16x = 646,696,962.47
  5. Step 5: Solve for x
    x = 646,696,962.47/32,854.16
  6. Step 6: Final answer
    x = 19,683.87

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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.