Home / 51,053.22-70,454.61-28,393.74

Finding the Fourth Proportional to 51,053.22, 70,454.61 and 28,393.74

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Solution

The fourth proportional to 51,053.22, 70,454.61 and 28,393.74 is: 39,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.22 : 70,454.61 = 28,393.74 : x
  2. Step 2: Convert to fraction form
    51,053.22/70,454.61 = 28,393.74/x
  3. Step 3: Cross multiply
    51,053.22x = 70,454.61 × 28,393.74
  4. Step 4: Simplify right side
    51,053.22x = 2,000,469,878.14
  5. Step 5: Solve for x
    x = 2,000,469,878.14/51,053.22
  6. Step 6: Final answer
    x = 39,184.01

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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.