Home / 66,646.91-91,972.75-36,432.36

Finding the Fourth Proportional to 66,646.91, 91,972.75 and 36,432.36

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Solution

The fourth proportional to 66,646.91, 91,972.75 and 36,432.36 is: 50,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,646.91 : 91,972.75 = 36,432.36 : x
  2. Step 2: Convert to fraction form
    66,646.91/91,972.75 = 36,432.36/x
  3. Step 3: Cross multiply
    66,646.91x = 91,972.75 × 36,432.36
  4. Step 4: Simplify right side
    66,646.91x = 3,350,784,338.19
  5. Step 5: Solve for x
    x = 3,350,784,338.19/66,646.91
  6. Step 6: Final answer
    x = 50,276.67

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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.