Home / 39,003.49-58,505.18-12,708.19

Finding the Fourth Proportional to 39,003.49, 58,505.18 and 12,708.19

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Solution

The fourth proportional to 39,003.49, 58,505.18 and 12,708.19 is: 19,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.49 : 58,505.18 = 12,708.19 : x
  2. Step 2: Convert to fraction form
    39,003.49/58,505.18 = 12,708.19/x
  3. Step 3: Cross multiply
    39,003.49x = 58,505.18 × 12,708.19
  4. Step 4: Simplify right side
    39,003.49x = 743,494,943.42
  5. Step 5: Solve for x
    x = 743,494,943.42/39,003.49
  6. Step 6: Final answer
    x = 19,062.27

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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.