Home / 67,147.40-92,671.29-38,476.35

Finding the Fourth Proportional to 67,147.40, 92,671.29 and 38,476.35

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Solution

The fourth proportional to 67,147.40, 92,671.29 and 38,476.35 is: 53,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147.40 : 92,671.29 = 38,476.35 : x
  2. Step 2: Convert to fraction form
    67,147.40/92,671.29 = 38,476.35/x
  3. Step 3: Cross multiply
    67,147.40x = 92,671.29 × 38,476.35
  4. Step 4: Simplify right side
    67,147.40x = 3,565,652,525.64
  5. Step 5: Solve for x
    x = 3,565,652,525.64/67,147.40
  6. Step 6: Final answer
    x = 53,101.87

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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.