Home / 20,602.16-30,902.64-5,019.56

Finding the Fourth Proportional to 20,602.16, 30,902.64 and 5,019.56

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Solution

The fourth proportional to 20,602.16, 30,902.64 and 5,019.56 is: 7,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602.16 : 30,902.64 = 5,019.56 : x
  2. Step 2: Convert to fraction form
    20,602.16/30,902.64 = 5,019.56/x
  3. Step 3: Cross multiply
    20,602.16x = 30,902.64 × 5,019.56
  4. Step 4: Simplify right side
    20,602.16x = 155,117,655.64
  5. Step 5: Solve for x
    x = 155,117,655.64/20,602.16
  6. Step 6: Final answer
    x = 7,529.19

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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.