Home / 68,510-94,531.70-38,285.66

Finding the Fourth Proportional to 68,510, 94,531.70 and 38,285.66

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Solution

The fourth proportional to 68,510, 94,531.70 and 38,285.66 is: 52,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,510 : 94,531.70 = 38,285.66 : x
  2. Step 2: Convert to fraction form
    68,510/94,531.70 = 38,285.66/x
  3. Step 3: Cross multiply
    68,510x = 94,531.70 × 38,285.66
  4. Step 4: Simplify right side
    68,510x = 3,619,208,525.42
  5. Step 5: Solve for x
    x = 3,619,208,525.42/68,510
  6. Step 6: Final answer
    x = 52,827.45

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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.