Home / 72,412.14-99,932.70-40,591.26

Finding the Fourth Proportional to 72,412.14, 99,932.70 and 40,591.26

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Solution

The fourth proportional to 72,412.14, 99,932.70 and 40,591.26 is: 56,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,412.14 : 99,932.70 = 40,591.26 : x
  2. Step 2: Convert to fraction form
    72,412.14/99,932.70 = 40,591.26/x
  3. Step 3: Cross multiply
    72,412.14x = 99,932.70 × 40,591.26
  4. Step 4: Simplify right side
    72,412.14x = 4,056,394,208.20
  5. Step 5: Solve for x
    x = 4,056,394,208.20/72,412.14
  6. Step 6: Final answer
    x = 56,018.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.