Home / 51,403.07-70,932.33-31,257.17

Finding the Fourth Proportional to 51,403.07, 70,932.33 and 31,257.17

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Solution

The fourth proportional to 51,403.07, 70,932.33 and 31,257.17 is: 43,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403.07 : 70,932.33 = 31,257.17 : x
  2. Step 2: Convert to fraction form
    51,403.07/70,932.33 = 31,257.17/x
  3. Step 3: Cross multiply
    51,403.07x = 70,932.33 × 31,257.17
  4. Step 4: Simplify right side
    51,403.07x = 2,217,143,897.31
  5. Step 5: Solve for x
    x = 2,217,143,897.31/51,403.07
  6. Step 6: Final answer
    x = 43,132.52

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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.