Home / 79,577.02-119,365.56-20,412.69

Finding the Fourth Proportional to 79,577.02, 119,365.56 and 20,412.69

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Solution

The fourth proportional to 79,577.02, 119,365.56 and 20,412.69 is: 30,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,577.02 : 119,365.56 = 20,412.69 : x
  2. Step 2: Convert to fraction form
    79,577.02/119,365.56 = 20,412.69/x
  3. Step 3: Cross multiply
    79,577.02x = 119,365.56 × 20,412.69
  4. Step 4: Simplify right side
    79,577.02x = 2,436,572,172.96
  5. Step 5: Solve for x
    x = 2,436,572,172.96/79,577.02
  6. Step 6: Final answer
    x = 30,619.04

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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.