Home / 31,407.75-47,111.63-8,034.19

Finding the Fourth Proportional to 31,407.75, 47,111.63 and 8,034.19

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Solution

The fourth proportional to 31,407.75, 47,111.63 and 8,034.19 is: 12,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.75 : 47,111.63 = 8,034.19 : x
  2. Step 2: Convert to fraction form
    31,407.75/47,111.63 = 8,034.19/x
  3. Step 3: Cross multiply
    31,407.75x = 47,111.63 × 8,034.19
  4. Step 4: Simplify right side
    31,407.75x = 378,503,628.68
  5. Step 5: Solve for x
    x = 378,503,628.68/31,407.75
  6. Step 6: Final answer
    x = 12,051.28

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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.