Home / 52,112.50-71,920.73-31,964.77

Finding the Fourth Proportional to 52,112.50, 71,920.73 and 31,964.77

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Solution

The fourth proportional to 52,112.50, 71,920.73 and 31,964.77 is: 44,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.50 : 71,920.73 = 31,964.77 : x
  2. Step 2: Convert to fraction form
    52,112.50/71,920.73 = 31,964.77/x
  3. Step 3: Cross multiply
    52,112.50x = 71,920.73 × 31,964.77
  4. Step 4: Simplify right side
    52,112.50x = 2,298,929,592.68
  5. Step 5: Solve for x
    x = 2,298,929,592.68/52,112.50
  6. Step 6: Final answer
    x = 44,114.74

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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.