Home / 31,454.87-43,407.63-17,307.68

Finding the Fourth Proportional to 31,454.87, 43,407.63 and 17,307.68

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Solution

The fourth proportional to 31,454.87, 43,407.63 and 17,307.68 is: 23,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.87 : 43,407.63 = 17,307.68 : x
  2. Step 2: Convert to fraction form
    31,454.87/43,407.63 = 17,307.68/x
  3. Step 3: Cross multiply
    31,454.87x = 43,407.63 × 17,307.68
  4. Step 4: Simplify right side
    31,454.87x = 751,285,152.56
  5. Step 5: Solve for x
    x = 751,285,152.56/31,454.87
  6. Step 6: Final answer
    x = 23,884.55

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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.