Home / 47,354.11-65,362.33-27,990.96

Finding the Fourth Proportional to 47,354.11, 65,362.33 and 27,990.96

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Solution

The fourth proportional to 47,354.11, 65,362.33 and 27,990.96 is: 38,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,354.11 : 65,362.33 = 27,990.96 : x
  2. Step 2: Convert to fraction form
    47,354.11/65,362.33 = 27,990.96/x
  3. Step 3: Cross multiply
    47,354.11x = 65,362.33 × 27,990.96
  4. Step 4: Simplify right side
    47,354.11x = 1,829,554,364.54
  5. Step 5: Solve for x
    x = 1,829,554,364.54/47,354.11
  6. Step 6: Final answer
    x = 38,635.60

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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.