Home / 66,261.71-91,439.51-37,965.57

Finding the Fourth Proportional to 66,261.71, 91,439.51 and 37,965.57

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Solution

The fourth proportional to 66,261.71, 91,439.51 and 37,965.57 is: 52,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261.71 : 91,439.51 = 37,965.57 : x
  2. Step 2: Convert to fraction form
    66,261.71/91,439.51 = 37,965.57/x
  3. Step 3: Cross multiply
    66,261.71x = 91,439.51 × 37,965.57
  4. Step 4: Simplify right side
    66,261.71x = 3,471,552,927.84
  5. Step 5: Solve for x
    x = 3,471,552,927.84/66,261.71
  6. Step 6: Final answer
    x = 52,391.54

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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.