Home / 42,371.03-63,477.91-30,338.35

Finding the Fourth Proportional to 42,371.03, 63,477.91 and 30,338.35

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Solution

The fourth proportional to 42,371.03, 63,477.91 and 30,338.35 is: 45,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,371.03 : 63,477.91 = 30,338.35 : x
  2. Step 2: Convert to fraction form
    42,371.03/63,477.91 = 30,338.35/x
  3. Step 3: Cross multiply
    42,371.03x = 63,477.91 × 30,338.35
  4. Step 4: Simplify right side
    42,371.03x = 1,925,815,287.14
  5. Step 5: Solve for x
    x = 1,925,815,287.14/42,371.03
  6. Step 6: Final answer
    x = 45,451.22

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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.