Home / 45,121.24-62,240.07-28,983.12

Finding the Fourth Proportional to 45,121.24, 62,240.07 and 28,983.12

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Solution

The fourth proportional to 45,121.24, 62,240.07 and 28,983.12 is: 39,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.24 : 62,240.07 = 28,983.12 : x
  2. Step 2: Convert to fraction form
    45,121.24/62,240.07 = 28,983.12/x
  3. Step 3: Cross multiply
    45,121.24x = 62,240.07 × 28,983.12
  4. Step 4: Simplify right side
    45,121.24x = 1,803,911,417.62
  5. Step 5: Solve for x
    x = 1,803,911,417.62/45,121.24
  6. Step 6: Final answer
    x = 39,979.21

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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.