Home / 31,512.19-47,251.57-9,322.51

Finding the Fourth Proportional to 31,512.19, 47,251.57 and 9,322.51

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Solution

The fourth proportional to 31,512.19, 47,251.57 and 9,322.51 is: 13,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.19 : 47,251.57 = 9,322.51 : x
  2. Step 2: Convert to fraction form
    31,512.19/47,251.57 = 9,322.51/x
  3. Step 3: Cross multiply
    31,512.19x = 47,251.57 × 9,322.51
  4. Step 4: Simplify right side
    31,512.19x = 440,503,233.84
  5. Step 5: Solve for x
    x = 440,503,233.84/31,512.19
  6. Step 6: Final answer
    x = 13,978.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.