Home / 45,240.88-62,434.38-30,109.36

Finding the Fourth Proportional to 45,240.88, 62,434.38 and 30,109.36

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Solution

The fourth proportional to 45,240.88, 62,434.38 and 30,109.36 is: 41,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,240.88 : 62,434.38 = 30,109.36 : x
  2. Step 2: Convert to fraction form
    45,240.88/62,434.38 = 30,109.36/x
  3. Step 3: Cross multiply
    45,240.88x = 62,434.38 × 30,109.36
  4. Step 4: Simplify right side
    45,240.88x = 1,879,859,223.80
  5. Step 5: Solve for x
    x = 1,879,859,223.80/45,240.88
  6. Step 6: Final answer
    x = 41,552.22

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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.