Home / 66,307.87-91,507.27-36,091.73

Finding the Fourth Proportional to 66,307.87, 91,507.27 and 36,091.73

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Solution

The fourth proportional to 66,307.87, 91,507.27 and 36,091.73 is: 49,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307.87 : 91,507.27 = 36,091.73 : x
  2. Step 2: Convert to fraction form
    66,307.87/91,507.27 = 36,091.73/x
  3. Step 3: Cross multiply
    66,307.87x = 91,507.27 × 36,091.73
  4. Step 4: Simplify right side
    66,307.87x = 3,302,655,373.36
  5. Step 5: Solve for x
    x = 3,302,655,373.36/66,307.87
  6. Step 6: Final answer
    x = 49,807.90

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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.