Home / 66,344.85-91,557.63-36,131.40

Finding the Fourth Proportional to 66,344.85, 91,557.63 and 36,131.40

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Solution

The fourth proportional to 66,344.85, 91,557.63 and 36,131.40 is: 49,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.85 : 91,557.63 = 36,131.40 : x
  2. Step 2: Convert to fraction form
    66,344.85/91,557.63 = 36,131.40/x
  3. Step 3: Cross multiply
    66,344.85x = 91,557.63 × 36,131.40
  4. Step 4: Simplify right side
    66,344.85x = 3,308,105,352.58
  5. Step 5: Solve for x
    x = 3,308,105,352.58/66,344.85
  6. Step 6: Final answer
    x = 49,862.28

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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.