Home / 51,013.24-70,398.66-28,352.68

Finding the Fourth Proportional to 51,013.24, 70,398.66 and 28,352.68

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Solution

The fourth proportional to 51,013.24, 70,398.66 and 28,352.68 is: 39,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.24 : 70,398.66 = 28,352.68 : x
  2. Step 2: Convert to fraction form
    51,013.24/70,398.66 = 28,352.68/x
  3. Step 3: Cross multiply
    51,013.24x = 70,398.66 × 28,352.68
  4. Step 4: Simplify right side
    51,013.24x = 1,995,990,679.41
  5. Step 5: Solve for x
    x = 1,995,990,679.41/51,013.24
  6. Step 6: Final answer
    x = 39,126.91

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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.