Home / 42,581.41-63,879.63-17,607.48

Finding the Fourth Proportional to 42,581.41, 63,879.63 and 17,607.48

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Solution

The fourth proportional to 42,581.41, 63,879.63 and 17,607.48 is: 26,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.41 : 63,879.63 = 17,607.48 : x
  2. Step 2: Convert to fraction form
    42,581.41/63,879.63 = 17,607.48/x
  3. Step 3: Cross multiply
    42,581.41x = 63,879.63 × 17,607.48
  4. Step 4: Simplify right side
    42,581.41x = 1,124,759,307.63
  5. Step 5: Solve for x
    x = 1,124,759,307.63/42,581.41
  6. Step 6: Final answer
    x = 26,414.33

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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.