Home / 68,439.61-94,444.74-38,224.06

Finding the Fourth Proportional to 68,439.61, 94,444.74 and 38,224.06

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Solution

The fourth proportional to 68,439.61, 94,444.74 and 38,224.06 is: 52,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,439.61 : 94,444.74 = 38,224.06 : x
  2. Step 2: Convert to fraction form
    68,439.61/94,444.74 = 38,224.06/x
  3. Step 3: Cross multiply
    68,439.61x = 94,444.74 × 38,224.06
  4. Step 4: Simplify right side
    68,439.61x = 3,610,061,408.44
  5. Step 5: Solve for x
    x = 3,610,061,408.44/68,439.61
  6. Step 6: Final answer
    x = 52,748.13

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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.