Home / 52,729.40-72,766.38-28,530.29

Finding the Fourth Proportional to 52,729.40, 72,766.38 and 28,530.29

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Solution

The fourth proportional to 52,729.40, 72,766.38 and 28,530.29 is: 39,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.40 : 72,766.38 = 28,530.29 : x
  2. Step 2: Convert to fraction form
    52,729.40/72,766.38 = 28,530.29/x
  3. Step 3: Cross multiply
    52,729.40x = 72,766.38 × 28,530.29
  4. Step 4: Simplify right side
    52,729.40x = 2,076,045,725.70
  5. Step 5: Solve for x
    x = 2,076,045,725.70/52,729.40
  6. Step 6: Final answer
    x = 39,371.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.