Home / 31,679.06-47,534.38-14,144.18

Finding the Fourth Proportional to 31,679.06, 47,534.38 and 14,144.18

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Solution

The fourth proportional to 31,679.06, 47,534.38 and 14,144.18 is: 21,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.06 : 47,534.38 = 14,144.18 : x
  2. Step 2: Convert to fraction form
    31,679.06/47,534.38 = 14,144.18/x
  3. Step 3: Cross multiply
    31,679.06x = 47,534.38 × 14,144.18
  4. Step 4: Simplify right side
    31,679.06x = 672,334,826.91
  5. Step 5: Solve for x
    x = 672,334,826.91/31,679.06
  6. Step 6: Final answer
    x = 21,223.32

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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.