Home / 31,442.24-47,171.40-9,256.28

Finding the Fourth Proportional to 31,442.24, 47,171.40 and 9,256.28

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Solution

The fourth proportional to 31,442.24, 47,171.40 and 9,256.28 is: 13,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.24 : 47,171.40 = 9,256.28 : x
  2. Step 2: Convert to fraction form
    31,442.24/47,171.40 = 9,256.28/x
  3. Step 3: Cross multiply
    31,442.24x = 47,171.40 × 9,256.28
  4. Step 4: Simplify right side
    31,442.24x = 436,631,686.39
  5. Step 5: Solve for x
    x = 436,631,686.39/31,442.24
  6. Step 6: Final answer
    x = 13,886.79

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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.