Home / 51,412.97-70,950.86-28,754.47

Finding the Fourth Proportional to 51,412.97, 70,950.86 and 28,754.47

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Solution

The fourth proportional to 51,412.97, 70,950.86 and 28,754.47 is: 39,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.97 : 70,950.86 = 28,754.47 : x
  2. Step 2: Convert to fraction form
    51,412.97/70,950.86 = 28,754.47/x
  3. Step 3: Cross multiply
    51,412.97x = 70,950.86 × 28,754.47
  4. Step 4: Simplify right side
    51,412.97x = 2,040,154,269.85
  5. Step 5: Solve for x
    x = 2,040,154,269.85/51,412.97
  6. Step 6: Final answer
    x = 39,681.70

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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.