Home / 51,240.14-70,711.50-28,580.58

Finding the Fourth Proportional to 51,240.14, 70,711.50 and 28,580.58

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Solution

The fourth proportional to 51,240.14, 70,711.50 and 28,580.58 is: 39,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.14 : 70,711.50 = 28,580.58 : x
  2. Step 2: Convert to fraction form
    51,240.14/70,711.50 = 28,580.58/x
  3. Step 3: Cross multiply
    51,240.14x = 70,711.50 × 28,580.58
  4. Step 4: Simplify right side
    51,240.14x = 2,020,975,987.68
  5. Step 5: Solve for x
    x = 2,020,975,987.68/51,240.14
  6. Step 6: Final answer
    x = 39,441.27

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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.