Home / 52,863.35-72,951.51-28,990.19

Finding the Fourth Proportional to 52,863.35, 72,951.51 and 28,990.19

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Solution

The fourth proportional to 52,863.35, 72,951.51 and 28,990.19 is: 40,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.35 : 72,951.51 = 28,990.19 : x
  2. Step 2: Convert to fraction form
    52,863.35/72,951.51 = 28,990.19/x
  3. Step 3: Cross multiply
    52,863.35x = 72,951.51 × 28,990.19
  4. Step 4: Simplify right side
    52,863.35x = 2,114,877,770.93
  5. Step 5: Solve for x
    x = 2,114,877,770.93/52,863.35
  6. Step 6: Final answer
    x = 40,006.51

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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.