Home / 68,322.78-94,285.59-38,107.35

Finding the Fourth Proportional to 68,322.78, 94,285.59 and 38,107.35

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Solution

The fourth proportional to 68,322.78, 94,285.59 and 38,107.35 is: 52,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,322.78 : 94,285.59 = 38,107.35 : x
  2. Step 2: Convert to fraction form
    68,322.78/94,285.59 = 38,107.35/x
  3. Step 3: Cross multiply
    68,322.78x = 94,285.59 × 38,107.35
  4. Step 4: Simplify right side
    68,322.78x = 3,592,973,978.09
  5. Step 5: Solve for x
    x = 3,592,973,978.09/68,322.78
  6. Step 6: Final answer
    x = 52,588.23

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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.