Home / 69,430.34-104,145.52-19,508.42

Finding the Fourth Proportional to 69,430.34, 104,145.52 and 19,508.42

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Solution

The fourth proportional to 69,430.34, 104,145.52 and 19,508.42 is: 29,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.34 : 104,145.52 = 19,508.42 : x
  2. Step 2: Convert to fraction form
    69,430.34/104,145.52 = 19,508.42/x
  3. Step 3: Cross multiply
    69,430.34x = 104,145.52 × 19,508.42
  4. Step 4: Simplify right side
    69,430.34x = 2,031,714,708.10
  5. Step 5: Solve for x
    x = 2,031,714,708.10/69,430.34
  6. Step 6: Final answer
    x = 29,262.63

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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.