Home / 31,512.42-47,262.02-13,971.06

Finding the Fourth Proportional to 31,512.42, 47,262.02 and 13,971.06

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Solution

The fourth proportional to 31,512.42, 47,262.02 and 13,971.06 is: 20,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.42 : 47,262.02 = 13,971.06 : x
  2. Step 2: Convert to fraction form
    31,512.42/47,262.02 = 13,971.06/x
  3. Step 3: Cross multiply
    31,512.42x = 47,262.02 × 13,971.06
  4. Step 4: Simplify right side
    31,512.42x = 660,300,447.29
  5. Step 5: Solve for x
    x = 660,300,447.29/31,512.42
  6. Step 6: Final answer
    x = 20,953.66

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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.