Home / 69,192.32-103,751.36-21,798.56

Finding the Fourth Proportional to 69,192.32, 103,751.36 and 21,798.56

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Solution

The fourth proportional to 69,192.32, 103,751.36 and 21,798.56 is: 32,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192.32 : 103,751.36 = 21,798.56 : x
  2. Step 2: Convert to fraction form
    69,192.32/103,751.36 = 21,798.56/x
  3. Step 3: Cross multiply
    69,192.32x = 103,751.36 × 21,798.56
  4. Step 4: Simplify right side
    69,192.32x = 2,261,630,246.04
  5. Step 5: Solve for x
    x = 2,261,630,246.04/69,192.32
  6. Step 6: Final answer
    x = 32,686.15

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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.