Home / 31,574.80-47,337.37-15,771.68

Finding the Fourth Proportional to 31,574.80, 47,337.37 and 15,771.68

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Solution

The fourth proportional to 31,574.80, 47,337.37 and 15,771.68 is: 23,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.80 : 47,337.37 = 15,771.68 : x
  2. Step 2: Convert to fraction form
    31,574.80/47,337.37 = 15,771.68/x
  3. Step 3: Cross multiply
    31,574.80x = 47,337.37 × 15,771.68
  4. Step 4: Simplify right side
    31,574.80x = 746,589,575.57
  5. Step 5: Solve for x
    x = 746,589,575.57/31,574.80
  6. Step 6: Final answer
    x = 23,645.11

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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.