Home / 40,490.04-55,876.32-22,340.34

Finding the Fourth Proportional to 40,490.04, 55,876.32 and 22,340.34

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Solution

The fourth proportional to 40,490.04, 55,876.32 and 22,340.34 is: 30,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490.04 : 55,876.32 = 22,340.34 : x
  2. Step 2: Convert to fraction form
    40,490.04/55,876.32 = 22,340.34/x
  3. Step 3: Cross multiply
    40,490.04x = 55,876.32 × 22,340.34
  4. Step 4: Simplify right side
    40,490.04x = 1,248,295,986.75
  5. Step 5: Solve for x
    x = 1,248,295,986.75/40,490.04
  6. Step 6: Final answer
    x = 30,829.70

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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.