Home / 51,010.10-70,391.67-28,350.68

Finding the Fourth Proportional to 51,010.10, 70,391.67 and 28,350.68

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Solution

The fourth proportional to 51,010.10, 70,391.67 and 28,350.68 is: 39,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.10 : 70,391.67 = 28,350.68 : x
  2. Step 2: Convert to fraction form
    51,010.10/70,391.67 = 28,350.68/x
  3. Step 3: Cross multiply
    51,010.10x = 70,391.67 × 28,350.68
  4. Step 4: Simplify right side
    51,010.10x = 1,995,651,710.84
  5. Step 5: Solve for x
    x = 1,995,651,710.84/51,010.10
  6. Step 6: Final answer
    x = 39,122.68

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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.