Home / 42,720.21-64,058.45-22,741.05

Finding the Fourth Proportional to 42,720.21, 64,058.45 and 22,741.05

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Solution

The fourth proportional to 42,720.21, 64,058.45 and 22,741.05 is: 34,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720.21 : 64,058.45 = 22,741.05 : x
  2. Step 2: Convert to fraction form
    42,720.21/64,058.45 = 22,741.05/x
  3. Step 3: Cross multiply
    42,720.21x = 64,058.45 × 22,741.05
  4. Step 4: Simplify right side
    42,720.21x = 1,456,756,540.89
  5. Step 5: Solve for x
    x = 1,456,756,540.89/42,720.21
  6. Step 6: Final answer
    x = 34,099.94

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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.