Home / 51,293.54-70,792.23-31,147.43

Finding the Fourth Proportional to 51,293.54, 70,792.23 and 31,147.43

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Solution

The fourth proportional to 51,293.54, 70,792.23 and 31,147.43 is: 42,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.54 : 70,792.23 = 31,147.43 : x
  2. Step 2: Convert to fraction form
    51,293.54/70,792.23 = 31,147.43/x
  3. Step 3: Cross multiply
    51,293.54x = 70,792.23 × 31,147.43
  4. Step 4: Simplify right side
    51,293.54x = 2,204,995,674.51
  5. Step 5: Solve for x
    x = 2,204,995,674.51/51,293.54
  6. Step 6: Final answer
    x = 42,987.79

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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.