Home / 45,100.16-62,240.64-28,338.56

Finding the Fourth Proportional to 45,100.16, 62,240.64 and 28,338.56

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Solution

The fourth proportional to 45,100.16, 62,240.64 and 28,338.56 is: 39,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.16 : 62,240.64 = 28,338.56 : x
  2. Step 2: Convert to fraction form
    45,100.16/62,240.64 = 28,338.56/x
  3. Step 3: Cross multiply
    45,100.16x = 62,240.64 × 28,338.56
  4. Step 4: Simplify right side
    45,100.16x = 1,763,810,111.08
  5. Step 5: Solve for x
    x = 1,763,810,111.08/45,100.16
  6. Step 6: Final answer
    x = 39,108.73

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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.