Home / 47,955.92-71,933.88-20,254.16

Finding the Fourth Proportional to 47,955.92, 71,933.88 and 20,254.16

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Solution

The fourth proportional to 47,955.92, 71,933.88 and 20,254.16 is: 30,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,955.92 : 71,933.88 = 20,254.16 : x
  2. Step 2: Convert to fraction form
    47,955.92/71,933.88 = 20,254.16/x
  3. Step 3: Cross multiply
    47,955.92x = 71,933.88 × 20,254.16
  4. Step 4: Simplify right side
    47,955.92x = 1,456,960,314.94
  5. Step 5: Solve for x
    x = 1,456,960,314.94/47,955.92
  6. Step 6: Final answer
    x = 30,381.24

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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.