Home / 40,383.08-55,728.65-22,477.70

Finding the Fourth Proportional to 40,383.08, 55,728.65 and 22,477.70

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Solution

The fourth proportional to 40,383.08, 55,728.65 and 22,477.70 is: 31,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.08 : 55,728.65 = 22,477.70 : x
  2. Step 2: Convert to fraction form
    40,383.08/55,728.65 = 22,477.70/x
  3. Step 3: Cross multiply
    40,383.08x = 55,728.65 × 22,477.70
  4. Step 4: Simplify right side
    40,383.08x = 1,252,651,876.11
  5. Step 5: Solve for x
    x = 1,252,651,876.11/40,383.08
  6. Step 6: Final answer
    x = 31,019.23

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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.