Home / 51,033.39-70,422.08-28,370.99

Finding the Fourth Proportional to 51,033.39, 70,422.08 and 28,370.99

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Solution

The fourth proportional to 51,033.39, 70,422.08 and 28,370.99 is: 39,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,033.39 : 70,422.08 = 28,370.99 : x
  2. Step 2: Convert to fraction form
    51,033.39/70,422.08 = 28,370.99/x
  3. Step 3: Cross multiply
    51,033.39x = 70,422.08 × 28,370.99
  4. Step 4: Simplify right side
    51,033.39x = 1,997,944,161.66
  5. Step 5: Solve for x
    x = 1,997,944,161.66/51,033.39
  6. Step 6: Final answer
    x = 39,149.74

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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.