Home / 66,323.10-91,511.07-38,028.79

Finding the Fourth Proportional to 66,323.10, 91,511.07 and 38,028.79

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Solution

The fourth proportional to 66,323.10, 91,511.07 and 38,028.79 is: 52,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,323.10 : 91,511.07 = 38,028.79 : x
  2. Step 2: Convert to fraction form
    66,323.10/91,511.07 = 38,028.79/x
  3. Step 3: Cross multiply
    66,323.10x = 91,511.07 × 38,028.79
  4. Step 4: Simplify right side
    66,323.10x = 3,480,055,235.49
  5. Step 5: Solve for x
    x = 3,480,055,235.49/66,323.10
  6. Step 6: Final answer
    x = 52,471.24

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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.