Home / 32,848.20-49,272.30-13,140.90

Finding the Fourth Proportional to 32,848.20, 49,272.30 and 13,140.90

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Solution

The fourth proportional to 32,848.20, 49,272.30 and 13,140.90 is: 19,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,848.20 : 49,272.30 = 13,140.90 : x
  2. Step 2: Convert to fraction form
    32,848.20/49,272.30 = 13,140.90/x
  3. Step 3: Cross multiply
    32,848.20x = 49,272.30 × 13,140.90
  4. Step 4: Simplify right side
    32,848.20x = 647,482,367.07
  5. Step 5: Solve for x
    x = 647,482,367.07/32,848.20
  6. Step 6: Final answer
    x = 19,711.35

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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.