Home / 40,307.13-55,623.60-22,403.79

Finding the Fourth Proportional to 40,307.13, 55,623.60 and 22,403.79

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Solution

The fourth proportional to 40,307.13, 55,623.60 and 22,403.79 is: 30,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.13 : 55,623.60 = 22,403.79 : x
  2. Step 2: Convert to fraction form
    40,307.13/55,623.60 = 22,403.79/x
  3. Step 3: Cross multiply
    40,307.13x = 55,623.60 × 22,403.79
  4. Step 4: Simplify right side
    40,307.13x = 1,246,179,453.44
  5. Step 5: Solve for x
    x = 1,246,179,453.44/40,307.13
  6. Step 6: Final answer
    x = 30,917.10

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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.