Home / 72,327.36-99,809.28-40,497.60

Finding the Fourth Proportional to 72,327.36, 99,809.28 and 40,497.60

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Solution

The fourth proportional to 72,327.36, 99,809.28 and 40,497.60 is: 55,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,327.36 : 99,809.28 = 40,497.60 : x
  2. Step 2: Convert to fraction form
    72,327.36/99,809.28 = 40,497.60/x
  3. Step 3: Cross multiply
    72,327.36x = 99,809.28 × 40,497.60
  4. Step 4: Simplify right side
    72,327.36x = 4,042,036,297.73
  5. Step 5: Solve for x
    x = 4,042,036,297.73/72,327.36
  6. Step 6: Final answer
    x = 55,885.30

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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.