Home / 66,462.02-91,716.93-38,167.91

Finding the Fourth Proportional to 66,462.02, 91,716.93 and 38,167.91

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Solution

The fourth proportional to 66,462.02, 91,716.93 and 38,167.91 is: 52,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,462.02 : 91,716.93 = 38,167.91 : x
  2. Step 2: Convert to fraction form
    66,462.02/91,716.93 = 38,167.91/x
  3. Step 3: Cross multiply
    66,462.02x = 91,716.93 × 38,167.91
  4. Step 4: Simplify right side
    66,462.02x = 3,500,643,529.72
  5. Step 5: Solve for x
    x = 3,500,643,529.72/66,462.02
  6. Step 6: Final answer
    x = 52,671.34

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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.