Home / 66,697.04-92,043.24-38,406.80

Finding the Fourth Proportional to 66,697.04, 92,043.24 and 38,406.80

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Solution

The fourth proportional to 66,697.04, 92,043.24 and 38,406.80 is: 53,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.04 : 92,043.24 = 38,406.80 : x
  2. Step 2: Convert to fraction form
    66,697.04/92,043.24 = 38,406.80/x
  3. Step 3: Cross multiply
    66,697.04x = 92,043.24 × 38,406.80
  4. Step 4: Simplify right side
    66,697.04x = 3,535,086,310.03
  5. Step 5: Solve for x
    x = 3,535,086,310.03/66,697.04
  6. Step 6: Final answer
    x = 53,002.15

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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.