Home / 40,041.87-55,252.98-22,134.45

Finding the Fourth Proportional to 40,041.87, 55,252.98 and 22,134.45

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Solution

The fourth proportional to 40,041.87, 55,252.98 and 22,134.45 is: 30,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041.87 : 55,252.98 = 22,134.45 : x
  2. Step 2: Convert to fraction form
    40,041.87/55,252.98 = 22,134.45/x
  3. Step 3: Cross multiply
    40,041.87x = 55,252.98 × 22,134.45
  4. Step 4: Simplify right side
    40,041.87x = 1,222,994,323.16
  5. Step 5: Solve for x
    x = 1,222,994,323.16/40,041.87
  6. Step 6: Final answer
    x = 30,542.89

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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.