Home / 68,254.90-94,190.34-38,040.10

Finding the Fourth Proportional to 68,254.90, 94,190.34 and 38,040.10

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Solution

The fourth proportional to 68,254.90, 94,190.34 and 38,040.10 is: 52,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.90 : 94,190.34 = 38,040.10 : x
  2. Step 2: Convert to fraction form
    68,254.90/94,190.34 = 38,040.10/x
  3. Step 3: Cross multiply
    68,254.90x = 94,190.34 × 38,040.10
  4. Step 4: Simplify right side
    68,254.90x = 3,583,009,952.63
  5. Step 5: Solve for x
    x = 3,583,009,952.63/68,254.90
  6. Step 6: Final answer
    x = 52,494.55

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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.