Home / 55,420.04-83,118.18-15,969.80

Finding the Fourth Proportional to 55,420.04, 83,118.18 and 15,969.80

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Solution

The fourth proportional to 55,420.04, 83,118.18 and 15,969.80 is: 23,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.04 : 83,118.18 = 15,969.80 : x
  2. Step 2: Convert to fraction form
    55,420.04/83,118.18 = 15,969.80/x
  3. Step 3: Cross multiply
    55,420.04x = 83,118.18 × 15,969.80
  4. Step 4: Simplify right side
    55,420.04x = 1,327,380,710.96
  5. Step 5: Solve for x
    x = 1,327,380,710.96/55,420.04
  6. Step 6: Final answer
    x = 23,951.28

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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.