Home / 40,574.34-55,990.59-22,665.78

Finding the Fourth Proportional to 40,574.34, 55,990.59 and 22,665.78

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Solution

The fourth proportional to 40,574.34, 55,990.59 and 22,665.78 is: 31,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574.34 : 55,990.59 = 22,665.78 : x
  2. Step 2: Convert to fraction form
    40,574.34/55,990.59 = 22,665.78/x
  3. Step 3: Cross multiply
    40,574.34x = 55,990.59 × 22,665.78
  4. Step 4: Simplify right side
    40,574.34x = 1,269,070,395.01
  5. Step 5: Solve for x
    x = 1,269,070,395.01/40,574.34
  6. Step 6: Final answer
    x = 31,277.66

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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.