Home / 31,243.93-43,071.75-22,275.88

Finding the Fourth Proportional to 31,243.93, 43,071.75 and 22,275.88

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Solution

The fourth proportional to 31,243.93, 43,071.75 and 22,275.88 is: 30,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.93 : 43,071.75 = 22,275.88 : x
  2. Step 2: Convert to fraction form
    31,243.93/43,071.75 = 22,275.88/x
  3. Step 3: Cross multiply
    31,243.93x = 43,071.75 × 22,275.88
  4. Step 4: Simplify right side
    31,243.93x = 959,461,026.71
  5. Step 5: Solve for x
    x = 959,461,026.71/31,243.93
  6. Step 6: Final answer
    x = 30,708.72

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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.