Home / 31,860.23-47,760.48-10,785.52

Finding the Fourth Proportional to 31,860.23, 47,760.48 and 10,785.52

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Solution

The fourth proportional to 31,860.23, 47,760.48 and 10,785.52 is: 16,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.23 : 47,760.48 = 10,785.52 : x
  2. Step 2: Convert to fraction form
    31,860.23/47,760.48 = 10,785.52/x
  3. Step 3: Cross multiply
    31,860.23x = 47,760.48 × 10,785.52
  4. Step 4: Simplify right side
    31,860.23x = 515,121,612.25
  5. Step 5: Solve for x
    x = 515,121,612.25/31,860.23
  6. Step 6: Final answer
    x = 16,168.17

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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.