Home / 34,339.12-51,531.76-12,152.40

Finding the Fourth Proportional to 34,339.12, 51,531.76 and 12,152.40

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Solution

The fourth proportional to 34,339.12, 51,531.76 and 12,152.40 is: 18,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.12 : 51,531.76 = 12,152.40 : x
  2. Step 2: Convert to fraction form
    34,339.12/51,531.76 = 12,152.40/x
  3. Step 3: Cross multiply
    34,339.12x = 51,531.76 × 12,152.40
  4. Step 4: Simplify right side
    34,339.12x = 626,234,560.22
  5. Step 5: Solve for x
    x = 626,234,560.22/34,339.12
  6. Step 6: Final answer
    x = 18,236.77

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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.