Home / 42,605.63-63,916.65-19,232.09

Finding the Fourth Proportional to 42,605.63, 63,916.65 and 19,232.09

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Solution

The fourth proportional to 42,605.63, 63,916.65 and 19,232.09 is: 28,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605.63 : 63,916.65 = 19,232.09 : x
  2. Step 2: Convert to fraction form
    42,605.63/63,916.65 = 19,232.09/x
  3. Step 3: Cross multiply
    42,605.63x = 63,916.65 × 19,232.09
  4. Step 4: Simplify right side
    42,605.63x = 1,229,250,445.72
  5. Step 5: Solve for x
    x = 1,229,250,445.72/42,605.63
  6. Step 6: Final answer
    x = 28,851.83

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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.