Home / 51,281.98-70,772.69-28,625.38

Finding the Fourth Proportional to 51,281.98, 70,772.69 and 28,625.38

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Solution

The fourth proportional to 51,281.98, 70,772.69 and 28,625.38 is: 39,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.98 : 70,772.69 = 28,625.38 : x
  2. Step 2: Convert to fraction form
    51,281.98/70,772.69 = 28,625.38/x
  3. Step 3: Cross multiply
    51,281.98x = 70,772.69 × 28,625.38
  4. Step 4: Simplify right side
    51,281.98x = 2,025,895,001.75
  5. Step 5: Solve for x
    x = 2,025,895,001.75/51,281.98
  6. Step 6: Final answer
    x = 39,505.01

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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.