Home / 66,849.64-92,255.06-38,173.97

Finding the Fourth Proportional to 66,849.64, 92,255.06 and 38,173.97

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Solution

The fourth proportional to 66,849.64, 92,255.06 and 38,173.97 is: 52,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.64 : 92,255.06 = 38,173.97 : x
  2. Step 2: Convert to fraction form
    66,849.64/92,255.06 = 38,173.97/x
  3. Step 3: Cross multiply
    66,849.64x = 92,255.06 × 38,173.97
  4. Step 4: Simplify right side
    66,849.64x = 3,521,742,218.86
  5. Step 5: Solve for x
    x = 3,521,742,218.86/66,849.64
  6. Step 6: Final answer
    x = 52,681.55

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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.