Home / 68,439.30-94,445.28-38,225.16

Finding the Fourth Proportional to 68,439.30, 94,445.28 and 38,225.16

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Solution

The fourth proportional to 68,439.30, 94,445.28 and 38,225.16 is: 52,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,439.30 : 94,445.28 = 38,225.16 : x
  2. Step 2: Convert to fraction form
    68,439.30/94,445.28 = 38,225.16/x
  3. Step 3: Cross multiply
    68,439.30x = 94,445.28 × 38,225.16
  4. Step 4: Simplify right side
    68,439.30x = 3,610,185,939.24
  5. Step 5: Solve for x
    x = 3,610,185,939.24/68,439.30
  6. Step 6: Final answer
    x = 52,750.19

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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.