Home / 66,671.24-92,007.90-39,829.19

Finding the Fourth Proportional to 66,671.24, 92,007.90 and 39,829.19

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Solution

The fourth proportional to 66,671.24, 92,007.90 and 39,829.19 is: 54,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,671.24 : 92,007.90 = 39,829.19 : x
  2. Step 2: Convert to fraction form
    66,671.24/92,007.90 = 39,829.19/x
  3. Step 3: Cross multiply
    66,671.24x = 92,007.90 × 39,829.19
  4. Step 4: Simplify right side
    66,671.24x = 3,664,599,670.56
  5. Step 5: Solve for x
    x = 3,664,599,670.56/66,671.24
  6. Step 6: Final answer
    x = 54,965.23

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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.