Home / 68,828.64-94,980.16-38,610.24

Finding the Fourth Proportional to 68,828.64, 94,980.16 and 38,610.24

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Solution

The fourth proportional to 68,828.64, 94,980.16 and 38,610.24 is: 53,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.64 : 94,980.16 = 38,610.24 : x
  2. Step 2: Convert to fraction form
    68,828.64/94,980.16 = 38,610.24/x
  3. Step 3: Cross multiply
    68,828.64x = 94,980.16 × 38,610.24
  4. Step 4: Simplify right side
    68,828.64x = 3,667,206,772.84
  5. Step 5: Solve for x
    x = 3,667,206,772.84/68,828.64
  6. Step 6: Final answer
    x = 53,280.24

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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.