Home / 26,030.82-39,005.34-20,122.19

Finding the Fourth Proportional to 26,030.82, 39,005.34 and 20,122.19

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Solution

The fourth proportional to 26,030.82, 39,005.34 and 20,122.19 is: 30,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,030.82 : 39,005.34 = 20,122.19 : x
  2. Step 2: Convert to fraction form
    26,030.82/39,005.34 = 20,122.19/x
  3. Step 3: Cross multiply
    26,030.82x = 39,005.34 × 20,122.19
  4. Step 4: Simplify right side
    26,030.82x = 784,872,667.47
  5. Step 5: Solve for x
    x = 784,872,667.47/26,030.82
  6. Step 6: Final answer
    x = 30,151.67

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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.