Home / 31,560.63-43,552.72-17,220.74

Finding the Fourth Proportional to 31,560.63, 43,552.72 and 17,220.74

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Solution

The fourth proportional to 31,560.63, 43,552.72 and 17,220.74 is: 23,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.63 : 43,552.72 = 17,220.74 : x
  2. Step 2: Convert to fraction form
    31,560.63/43,552.72 = 17,220.74/x
  3. Step 3: Cross multiply
    31,560.63x = 43,552.72 × 17,220.74
  4. Step 4: Simplify right side
    31,560.63x = 750,010,067.41
  5. Step 5: Solve for x
    x = 750,010,067.41/31,560.63
  6. Step 6: Final answer
    x = 23,764.10

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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.