Home / 67,408.57-93,032.06-38,728.17

Finding the Fourth Proportional to 67,408.57, 93,032.06 and 38,728.17

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Solution

The fourth proportional to 67,408.57, 93,032.06 and 38,728.17 is: 53,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,408.57 : 93,032.06 = 38,728.17 : x
  2. Step 2: Convert to fraction form
    67,408.57/93,032.06 = 38,728.17/x
  3. Step 3: Cross multiply
    67,408.57x = 93,032.06 × 38,728.17
  4. Step 4: Simplify right side
    67,408.57x = 3,602,961,435.13
  5. Step 5: Solve for x
    x = 3,602,961,435.13/67,408.57
  6. Step 6: Final answer
    x = 53,449.60

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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.