Home / 52,439.70-72,364.20-28,564.94

Finding the Fourth Proportional to 52,439.70, 72,364.20 and 28,564.94

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Solution

The fourth proportional to 52,439.70, 72,364.20 and 28,564.94 is: 39,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.70 : 72,364.20 = 28,564.94 : x
  2. Step 2: Convert to fraction form
    52,439.70/72,364.20 = 28,564.94/x
  3. Step 3: Cross multiply
    52,439.70x = 72,364.20 × 28,564.94
  4. Step 4: Simplify right side
    52,439.70x = 2,067,079,031.15
  5. Step 5: Solve for x
    x = 2,067,079,031.15/52,439.70
  6. Step 6: Final answer
    x = 39,418.21

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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.