Home / 40,307.69-55,624.20-22,402.31

Finding the Fourth Proportional to 40,307.69, 55,624.20 and 22,402.31

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Solution

The fourth proportional to 40,307.69, 55,624.20 and 22,402.31 is: 30,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.69 : 55,624.20 = 22,402.31 : x
  2. Step 2: Convert to fraction form
    40,307.69/55,624.20 = 22,402.31/x
  3. Step 3: Cross multiply
    40,307.69x = 55,624.20 × 22,402.31
  4. Step 4: Simplify right side
    40,307.69x = 1,246,110,293.78
  5. Step 5: Solve for x
    x = 1,246,110,293.78/40,307.69
  6. Step 6: Final answer
    x = 30,914.96

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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.