Home / 50,990.90-70,365.98-29,187.72

Finding the Fourth Proportional to 50,990.90, 70,365.98 and 29,187.72

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Solution

The fourth proportional to 50,990.90, 70,365.98 and 29,187.72 is: 40,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.90 : 70,365.98 = 29,187.72 : x
  2. Step 2: Convert to fraction form
    50,990.90/70,365.98 = 29,187.72/x
  3. Step 3: Cross multiply
    50,990.90x = 70,365.98 × 29,187.72
  4. Step 4: Simplify right side
    50,990.90x = 2,053,822,521.77
  5. Step 5: Solve for x
    x = 2,053,822,521.77/50,990.90
  6. Step 6: Final answer
    x = 40,278.22

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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.