Home / 52,339.20-72,231.05-28,465.40

Finding the Fourth Proportional to 52,339.20, 72,231.05 and 28,465.40

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Solution

The fourth proportional to 52,339.20, 72,231.05 and 28,465.40 is: 39,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.20 : 72,231.05 = 28,465.40 : x
  2. Step 2: Convert to fraction form
    52,339.20/72,231.05 = 28,465.40/x
  3. Step 3: Cross multiply
    52,339.20x = 72,231.05 × 28,465.40
  4. Step 4: Simplify right side
    52,339.20x = 2,056,085,227.19
  5. Step 5: Solve for x
    x = 2,056,085,227.19/52,339.20
  6. Step 6: Final answer
    x = 39,283.85

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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.