Home / 69,763.08-104,642.30-30,320.24

Finding the Fourth Proportional to 69,763.08, 104,642.30 and 30,320.24

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Solution

The fourth proportional to 69,763.08, 104,642.30 and 30,320.24 is: 45,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.08 : 104,642.30 = 30,320.24 : x
  2. Step 2: Convert to fraction form
    69,763.08/104,642.30 = 30,320.24/x
  3. Step 3: Cross multiply
    69,763.08x = 104,642.30 × 30,320.24
  4. Step 4: Simplify right side
    69,763.08x = 3,172,779,650.15
  5. Step 5: Solve for x
    x = 3,172,779,650.15/69,763.08
  6. Step 6: Final answer
    x = 45,479.35

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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.