Home / 42,445.36-63,646.17-19,051.75

Finding the Fourth Proportional to 42,445.36, 63,646.17 and 19,051.75

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Solution

The fourth proportional to 42,445.36, 63,646.17 and 19,051.75 is: 28,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.36 : 63,646.17 = 19,051.75 : x
  2. Step 2: Convert to fraction form
    42,445.36/63,646.17 = 19,051.75/x
  3. Step 3: Cross multiply
    42,445.36x = 63,646.17 × 19,051.75
  4. Step 4: Simplify right side
    42,445.36x = 1,212,570,919.30
  5. Step 5: Solve for x
    x = 1,212,570,919.30/42,445.36
  6. Step 6: Final answer
    x = 28,567.81

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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.