Home / 66,704.16-92,048.72-38,403.84

Finding the Fourth Proportional to 66,704.16, 92,048.72 and 38,403.84

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Solution

The fourth proportional to 66,704.16, 92,048.72 and 38,403.84 is: 52,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,704.16 : 92,048.72 = 38,403.84 : x
  2. Step 2: Convert to fraction form
    66,704.16/92,048.72 = 38,403.84/x
  3. Step 3: Cross multiply
    66,704.16x = 92,048.72 × 38,403.84
  4. Step 4: Simplify right side
    66,704.16x = 3,535,024,315.08
  5. Step 5: Solve for x
    x = 3,535,024,315.08/66,704.16
  6. Step 6: Final answer
    x = 52,995.56

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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.