Home / 51,085.98-70,497.68-28,424.21

Finding the Fourth Proportional to 51,085.98, 70,497.68 and 28,424.21

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Solution

The fourth proportional to 51,085.98, 70,497.68 and 28,424.21 is: 39,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085.98 : 70,497.68 = 28,424.21 : x
  2. Step 2: Convert to fraction form
    51,085.98/70,497.68 = 28,424.21/x
  3. Step 3: Cross multiply
    51,085.98x = 70,497.68 × 28,424.21
  4. Step 4: Simplify right side
    51,085.98x = 2,003,840,366.22
  5. Step 5: Solve for x
    x = 2,003,840,366.22/51,085.98
  6. Step 6: Final answer
    x = 39,224.86

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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.