Home / 34,230.39-47,238.30-20,083.47

Finding the Fourth Proportional to 34,230.39, 47,238.30 and 20,083.47

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Solution

The fourth proportional to 34,230.39, 47,238.30 and 20,083.47 is: 27,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,230.39 : 47,238.30 = 20,083.47 : x
  2. Step 2: Convert to fraction form
    34,230.39/47,238.30 = 20,083.47/x
  3. Step 3: Cross multiply
    34,230.39x = 47,238.30 × 20,083.47
  4. Step 4: Simplify right side
    34,230.39x = 948,708,980.90
  5. Step 5: Solve for x
    x = 948,708,980.90/34,230.39
  6. Step 6: Final answer
    x = 27,715.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.