Home / 66,463.02-91,715.73-39,604.91

Finding the Fourth Proportional to 66,463.02, 91,715.73 and 39,604.91

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Solution

The fourth proportional to 66,463.02, 91,715.73 and 39,604.91 is: 54,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.02 : 91,715.73 = 39,604.91 : x
  2. Step 2: Convert to fraction form
    66,463.02/91,715.73 = 39,604.91/x
  3. Step 3: Cross multiply
    66,463.02x = 91,715.73 × 39,604.91
  4. Step 4: Simplify right side
    66,463.02x = 3,632,392,773.66
  5. Step 5: Solve for x
    x = 3,632,392,773.66/66,463.02
  6. Step 6: Final answer
    x = 54,652.84

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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.