Home / 31,544.80-47,252.40-15,971.20

Finding the Fourth Proportional to 31,544.80, 47,252.40 and 15,971.20

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Solution

The fourth proportional to 31,544.80, 47,252.40 and 15,971.20 is: 23,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.80 : 47,252.40 = 15,971.20 : x
  2. Step 2: Convert to fraction form
    31,544.80/47,252.40 = 15,971.20/x
  3. Step 3: Cross multiply
    31,544.80x = 47,252.40 × 15,971.20
  4. Step 4: Simplify right side
    31,544.80x = 754,677,530.88
  5. Step 5: Solve for x
    x = 754,677,530.88/31,544.80
  6. Step 6: Final answer
    x = 23,923.99

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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.