Home / 45,434.91-62,698-27,528.78

Finding the Fourth Proportional to 45,434.91, 62,698 and 27,528.78

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Solution

The fourth proportional to 45,434.91, 62,698 and 27,528.78 is: 37,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.91 : 62,698 = 27,528.78 : x
  2. Step 2: Convert to fraction form
    45,434.91/62,698 = 27,528.78/x
  3. Step 3: Cross multiply
    45,434.91x = 62,698 × 27,528.78
  4. Step 4: Simplify right side
    45,434.91x = 1,725,999,448.44
  5. Step 5: Solve for x
    x = 1,725,999,448.44/45,434.91
  6. Step 6: Final answer
    x = 37,988.40

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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.