Home / 31,298.88-43,192.68-17,152.23

Finding the Fourth Proportional to 31,298.88, 43,192.68 and 17,152.23

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Solution

The fourth proportional to 31,298.88, 43,192.68 and 17,152.23 is: 23,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.88 : 43,192.68 = 17,152.23 : x
  2. Step 2: Convert to fraction form
    31,298.88/43,192.68 = 17,152.23/x
  3. Step 3: Cross multiply
    31,298.88x = 43,192.68 × 17,152.23
  4. Step 4: Simplify right side
    31,298.88x = 740,850,781.68
  5. Step 5: Solve for x
    x = 740,850,781.68/31,298.88
  6. Step 6: Final answer
    x = 23,670.20

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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.