Home / 69,333.32-103,999.98-19,420.83

Finding the Fourth Proportional to 69,333.32, 103,999.98 and 19,420.83

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Solution

The fourth proportional to 69,333.32, 103,999.98 and 19,420.83 is: 29,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,333.32 : 103,999.98 = 19,420.83 : x
  2. Step 2: Convert to fraction form
    69,333.32/103,999.98 = 19,420.83/x
  3. Step 3: Cross multiply
    69,333.32x = 103,999.98 × 19,420.83
  4. Step 4: Simplify right side
    69,333.32x = 2,019,765,931.58
  5. Step 5: Solve for x
    x = 2,019,765,931.58/69,333.32
  6. Step 6: Final answer
    x = 29,131.25

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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.