Home / 42,664.57-63,949.16-15,984.89

Finding the Fourth Proportional to 42,664.57, 63,949.16 and 15,984.89

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Solution

The fourth proportional to 42,664.57, 63,949.16 and 15,984.89 is: 23,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.57 : 63,949.16 = 15,984.89 : x
  2. Step 2: Convert to fraction form
    42,664.57/63,949.16 = 15,984.89/x
  3. Step 3: Cross multiply
    42,664.57x = 63,949.16 × 15,984.89
  4. Step 4: Simplify right side
    42,664.57x = 1,022,219,888.52
  5. Step 5: Solve for x
    x = 1,022,219,888.52/42,664.57
  6. Step 6: Final answer
    x = 23,959.46

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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.