Home / 31,400.57-47,100.78-8,026.94

Finding the Fourth Proportional to 31,400.57, 47,100.78 and 8,026.94

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Solution

The fourth proportional to 31,400.57, 47,100.78 and 8,026.94 is: 12,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.57 : 47,100.78 = 8,026.94 : x
  2. Step 2: Convert to fraction form
    31,400.57/47,100.78 = 8,026.94/x
  3. Step 3: Cross multiply
    31,400.57x = 47,100.78 × 8,026.94
  4. Step 4: Simplify right side
    31,400.57x = 378,074,899.51
  5. Step 5: Solve for x
    x = 378,074,899.51/31,400.57
  6. Step 6: Final answer
    x = 12,040.39

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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.