Home / 69,423.25-104,138.91-19,507.24

Finding the Fourth Proportional to 69,423.25, 104,138.91 and 19,507.24

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Solution

The fourth proportional to 69,423.25, 104,138.91 and 19,507.24 is: 29,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423.25 : 104,138.91 = 19,507.24 : x
  2. Step 2: Convert to fraction form
    69,423.25/104,138.91 = 19,507.24/x
  3. Step 3: Cross multiply
    69,423.25x = 104,138.91 × 19,507.24
  4. Step 4: Simplify right side
    69,423.25x = 2,031,462,710.71
  5. Step 5: Solve for x
    x = 2,031,462,710.71/69,423.25
  6. Step 6: Final answer
    x = 29,261.99

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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.