Home / 45,969.11-68,964.74-15,979.00

Finding the Fourth Proportional to 45,969.11, 68,964.74 and 15,979.00

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Solution

The fourth proportional to 45,969.11, 68,964.74 and 15,979.00 is: 23,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.11 : 68,964.74 = 15,979.00 : x
  2. Step 2: Convert to fraction form
    45,969.11/68,964.74 = 15,979.00/x
  3. Step 3: Cross multiply
    45,969.11x = 68,964.74 × 15,979.00
  4. Step 4: Simplify right side
    45,969.11x = 1,101,987,155.74
  5. Step 5: Solve for x
    x = 1,101,987,155.74/45,969.11
  6. Step 6: Final answer
    x = 23,972.34

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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.