Home / 39,147.50-58,708.94-12,846.13

Finding the Fourth Proportional to 39,147.50, 58,708.94 and 12,846.13

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Solution

The fourth proportional to 39,147.50, 58,708.94 and 12,846.13 is: 19,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.50 : 58,708.94 = 12,846.13 : x
  2. Step 2: Convert to fraction form
    39,147.50/58,708.94 = 12,846.13/x
  3. Step 3: Cross multiply
    39,147.50x = 58,708.94 × 12,846.13
  4. Step 4: Simplify right side
    39,147.50x = 754,182,464.40
  5. Step 5: Solve for x
    x = 754,182,464.40/39,147.50
  6. Step 6: Final answer
    x = 19,265.15

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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.