Home / 34,883.20-52,324.80-20,886.40

Finding the Fourth Proportional to 34,883.20, 52,324.80 and 20,886.40

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Solution

The fourth proportional to 34,883.20, 52,324.80 and 20,886.40 is: 31,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,883.20 : 52,324.80 = 20,886.40 : x
  2. Step 2: Convert to fraction form
    34,883.20/52,324.80 = 20,886.40/x
  3. Step 3: Cross multiply
    34,883.20x = 52,324.80 × 20,886.40
  4. Step 4: Simplify right side
    34,883.20x = 1,092,876,702.72
  5. Step 5: Solve for x
    x = 1,092,876,702.72/34,883.20
  6. Step 6: Final answer
    x = 31,329.60

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1.5x scale

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.