Home / 31,440.24-47,168.40-9,254.28

Finding the Fourth Proportional to 31,440.24, 47,168.40 and 9,254.28

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Solution

The fourth proportional to 31,440.24, 47,168.40 and 9,254.28 is: 13,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.24 : 47,168.40 = 9,254.28 : x
  2. Step 2: Convert to fraction form
    31,440.24/47,168.40 = 9,254.28/x
  3. Step 3: Cross multiply
    31,440.24x = 47,168.40 × 9,254.28
  4. Step 4: Simplify right side
    31,440.24x = 436,509,580.75
  5. Step 5: Solve for x
    x = 436,509,580.75/31,440.24
  6. Step 6: Final answer
    x = 13,883.79

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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.