Home / 66,658.02-91,993.77-37,986.45

Finding the Fourth Proportional to 66,658.02, 91,993.77 and 37,986.45

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Solution

The fourth proportional to 66,658.02, 91,993.77 and 37,986.45 is: 52,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,658.02 : 91,993.77 = 37,986.45 : x
  2. Step 2: Convert to fraction form
    66,658.02/91,993.77 = 37,986.45/x
  3. Step 3: Cross multiply
    66,658.02x = 91,993.77 × 37,986.45
  4. Step 4: Simplify right side
    66,658.02x = 3,494,516,554.48
  5. Step 5: Solve for x
    x = 3,494,516,554.48/66,658.02
  6. Step 6: Final answer
    x = 52,424.55

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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.