Home / 42,948.36-64,403.66-17,630.49

Finding the Fourth Proportional to 42,948.36, 64,403.66 and 17,630.49

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Solution

The fourth proportional to 42,948.36, 64,403.66 and 17,630.49 is: 26,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,948.36 : 64,403.66 = 17,630.49 : x
  2. Step 2: Convert to fraction form
    42,948.36/64,403.66 = 17,630.49/x
  3. Step 3: Cross multiply
    42,948.36x = 64,403.66 × 17,630.49
  4. Step 4: Simplify right side
    42,948.36x = 1,135,467,995.44
  5. Step 5: Solve for x
    x = 1,135,467,995.44/42,948.36
  6. Step 6: Final answer
    x = 26,437.98

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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.