Home / 31,407.76-43,344.68-17,261.84

Finding the Fourth Proportional to 31,407.76, 43,344.68 and 17,261.84

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Solution

The fourth proportional to 31,407.76, 43,344.68 and 17,261.84 is: 23,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.76 : 43,344.68 = 17,261.84 : x
  2. Step 2: Convert to fraction form
    31,407.76/43,344.68 = 17,261.84/x
  3. Step 3: Cross multiply
    31,407.76x = 43,344.68 × 17,261.84
  4. Step 4: Simplify right side
    31,407.76x = 748,208,931.01
  5. Step 5: Solve for x
    x = 748,208,931.01/31,407.76
  6. Step 6: Final answer
    x = 23,822.42

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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.