Home / 40,234.80-55,327.08-34,920.36

Finding the Fourth Proportional to 40,234.80, 55,327.08 and 34,920.36

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Solution

The fourth proportional to 40,234.80, 55,327.08 and 34,920.36 is: 48,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.80 : 55,327.08 = 34,920.36 : x
  2. Step 2: Convert to fraction form
    40,234.80/55,327.08 = 34,920.36/x
  3. Step 3: Cross multiply
    40,234.80x = 55,327.08 × 34,920.36
  4. Step 4: Simplify right side
    40,234.80x = 1,932,041,551.35
  5. Step 5: Solve for x
    x = 1,932,041,551.35/40,234.80
  6. Step 6: Final answer
    x = 48,019.17

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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.