Home / 72,027.39-108,041.07-19,436.87

Finding the Fourth Proportional to 72,027.39, 108,041.07 and 19,436.87

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Solution

The fourth proportional to 72,027.39, 108,041.07 and 19,436.87 is: 29,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,027.39 : 108,041.07 = 19,436.87 : x
  2. Step 2: Convert to fraction form
    72,027.39/108,041.07 = 19,436.87/x
  3. Step 3: Cross multiply
    72,027.39x = 108,041.07 × 19,436.87
  4. Step 4: Simplify right side
    72,027.39x = 2,099,980,232.25
  5. Step 5: Solve for x
    x = 2,099,980,232.25/72,027.39
  6. Step 6: Final answer
    x = 29,155.30

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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.