Home / 32,974.20-49,461.30-21,164.40

Finding the Fourth Proportional to 32,974.20, 49,461.30 and 21,164.40

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Solution

The fourth proportional to 32,974.20, 49,461.30 and 21,164.40 is: 31,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,974.20 : 49,461.30 = 21,164.40 : x
  2. Step 2: Convert to fraction form
    32,974.20/49,461.30 = 21,164.40/x
  3. Step 3: Cross multiply
    32,974.20x = 49,461.30 × 21,164.40
  4. Step 4: Simplify right side
    32,974.20x = 1,046,818,737.72
  5. Step 5: Solve for x
    x = 1,046,818,737.72/32,974.20
  6. Step 6: Final answer
    x = 31,746.60

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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.