Home / 68,709.04-103,058.60-21,322.92

Finding the Fourth Proportional to 68,709.04, 103,058.60 and 21,322.92

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Solution

The fourth proportional to 68,709.04, 103,058.60 and 21,322.92 is: 31,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,709.04 : 103,058.60 = 21,322.92 : x
  2. Step 2: Convert to fraction form
    68,709.04/103,058.60 = 21,322.92/x
  3. Step 3: Cross multiply
    68,709.04x = 103,058.60 × 21,322.92
  4. Step 4: Simplify right side
    68,709.04x = 2,197,510,283.11
  5. Step 5: Solve for x
    x = 2,197,510,283.11/68,709.04
  6. Step 6: Final answer
    x = 31,982.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.