Home / 42,206.33-63,340.61-20,019.77

Finding the Fourth Proportional to 42,206.33, 63,340.61 and 20,019.77

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Solution

The fourth proportional to 42,206.33, 63,340.61 and 20,019.77 is: 30,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,206.33 : 63,340.61 = 20,019.77 : x
  2. Step 2: Convert to fraction form
    42,206.33/63,340.61 = 20,019.77/x
  3. Step 3: Cross multiply
    42,206.33x = 63,340.61 × 20,019.77
  4. Step 4: Simplify right side
    42,206.33x = 1,268,064,027.06
  5. Step 5: Solve for x
    x = 1,268,064,027.06/42,206.33
  6. Step 6: Final answer
    x = 30,044.41

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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.