Home / 40,338.07-55,659.76-22,430.72

Finding the Fourth Proportional to 40,338.07, 55,659.76 and 22,430.72

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Solution

The fourth proportional to 40,338.07, 55,659.76 and 22,430.72 is: 30,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.07 : 55,659.76 = 22,430.72 : x
  2. Step 2: Convert to fraction form
    40,338.07/55,659.76 = 22,430.72/x
  3. Step 3: Cross multiply
    40,338.07x = 55,659.76 × 22,430.72
  4. Step 4: Simplify right side
    40,338.07x = 1,248,488,574.90
  5. Step 5: Solve for x
    x = 1,248,488,574.90/40,338.07
  6. Step 6: Final answer
    x = 30,950.63

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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.