Home / 66,381.02-91,597.74-37,690.22

Finding the Fourth Proportional to 66,381.02, 91,597.74 and 37,690.22

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Solution

The fourth proportional to 66,381.02, 91,597.74 and 37,690.22 is: 52,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,381.02 : 91,597.74 = 37,690.22 : x
  2. Step 2: Convert to fraction form
    66,381.02/91,597.74 = 37,690.22/x
  3. Step 3: Cross multiply
    66,381.02x = 91,597.74 × 37,690.22
  4. Step 4: Simplify right side
    66,381.02x = 3,452,338,972.10
  5. Step 5: Solve for x
    x = 3,452,338,972.10/66,381.02
  6. Step 6: Final answer
    x = 52,007.92

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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.