Home / 55,477.20-83,220.38-18,036.42

Finding the Fourth Proportional to 55,477.20, 83,220.38 and 18,036.42

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Solution

The fourth proportional to 55,477.20, 83,220.38 and 18,036.42 is: 27,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.20 : 83,220.38 = 18,036.42 : x
  2. Step 2: Convert to fraction form
    55,477.20/83,220.38 = 18,036.42/x
  3. Step 3: Cross multiply
    55,477.20x = 83,220.38 × 18,036.42
  4. Step 4: Simplify right side
    55,477.20x = 1,500,997,219.96
  5. Step 5: Solve for x
    x = 1,500,997,219.96/55,477.20
  6. Step 6: Final answer
    x = 27,056.11

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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.