Home / 55,376.72-83,015.68-20,308.24

Finding the Fourth Proportional to 55,376.72, 83,015.68 and 20,308.24

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Solution

The fourth proportional to 55,376.72, 83,015.68 and 20,308.24 is: 30,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.72 : 83,015.68 = 20,308.24 : x
  2. Step 2: Convert to fraction form
    55,376.72/83,015.68 = 20,308.24/x
  3. Step 3: Cross multiply
    55,376.72x = 83,015.68 × 20,308.24
  4. Step 4: Simplify right side
    55,376.72x = 1,685,902,353.20
  5. Step 5: Solve for x
    x = 1,685,902,353.20/55,376.72
  6. Step 6: Final answer
    x = 30,444.24

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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.