Home / 66,667.68-92,011.41-38,367.90

Finding the Fourth Proportional to 66,667.68, 92,011.41 and 38,367.90

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Solution

The fourth proportional to 66,667.68, 92,011.41 and 38,367.90 is: 52,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,667.68 : 92,011.41 = 38,367.90 : x
  2. Step 2: Convert to fraction form
    66,667.68/92,011.41 = 38,367.90/x
  3. Step 3: Cross multiply
    66,667.68x = 92,011.41 × 38,367.90
  4. Step 4: Simplify right side
    66,667.68x = 3,530,284,577.74
  5. Step 5: Solve for x
    x = 3,530,284,577.74/66,667.68
  6. Step 6: Final answer
    x = 52,953.46

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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.