Home / 69,715.04-104,513.79-30,242.44

Finding the Fourth Proportional to 69,715.04, 104,513.79 and 30,242.44

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Solution

The fourth proportional to 69,715.04, 104,513.79 and 30,242.44 is: 45,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.04 : 104,513.79 = 30,242.44 : x
  2. Step 2: Convert to fraction form
    69,715.04/104,513.79 = 30,242.44/x
  3. Step 3: Cross multiply
    69,715.04x = 104,513.79 × 30,242.44
  4. Step 4: Simplify right side
    69,715.04x = 3,160,752,023.25
  5. Step 5: Solve for x
    x = 3,160,752,023.25/69,715.04
  6. Step 6: Final answer
    x = 45,338.17

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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.