Home / 69,320.32-103,980.44-27,220.24

Finding the Fourth Proportional to 69,320.32, 103,980.44 and 27,220.24

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Solution

The fourth proportional to 69,320.32, 103,980.44 and 27,220.24 is: 40,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320.32 : 103,980.44 = 27,220.24 : x
  2. Step 2: Convert to fraction form
    69,320.32/103,980.44 = 27,220.24/x
  3. Step 3: Cross multiply
    69,320.32x = 103,980.44 × 27,220.24
  4. Step 4: Simplify right side
    69,320.32x = 2,830,372,532.11
  5. Step 5: Solve for x
    x = 2,830,372,532.11/69,320.32
  6. Step 6: Final answer
    x = 40,830.34

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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.