Home / 31,625.65-43,561.56-22,048.39

Finding the Fourth Proportional to 31,625.65, 43,561.56 and 22,048.39

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Solution

The fourth proportional to 31,625.65, 43,561.56 and 22,048.39 is: 30,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.65 : 43,561.56 = 22,048.39 : x
  2. Step 2: Convert to fraction form
    31,625.65/43,561.56 = 22,048.39/x
  3. Step 3: Cross multiply
    31,625.65x = 43,561.56 × 22,048.39
  4. Step 4: Simplify right side
    31,625.65x = 960,462,263.89
  5. Step 5: Solve for x
    x = 960,462,263.89/31,625.65
  6. Step 6: Final answer
    x = 30,369.72

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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.