Home / 51,454.28-71,013.24-31,313.23

Finding the Fourth Proportional to 51,454.28, 71,013.24 and 31,313.23

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Solution

The fourth proportional to 51,454.28, 71,013.24 and 31,313.23 is: 43,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,454.28 : 71,013.24 = 31,313.23 : x
  2. Step 2: Convert to fraction form
    51,454.28/71,013.24 = 31,313.23/x
  3. Step 3: Cross multiply
    51,454.28x = 71,013.24 × 31,313.23
  4. Step 4: Simplify right side
    51,454.28x = 2,223,653,739.63
  5. Step 5: Solve for x
    x = 2,223,653,739.63/51,454.28
  6. Step 6: Final answer
    x = 43,216.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.