Home / 70,349.13-105,513.93-17,755.47

Finding the Fourth Proportional to 70,349.13, 105,513.93 and 17,755.47

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Solution

The fourth proportional to 70,349.13, 105,513.93 and 17,755.47 is: 26,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.13 : 105,513.93 = 17,755.47 : x
  2. Step 2: Convert to fraction form
    70,349.13/105,513.93 = 17,755.47/x
  3. Step 3: Cross multiply
    70,349.13x = 105,513.93 × 17,755.47
  4. Step 4: Simplify right side
    70,349.13x = 1,873,449,418.70
  5. Step 5: Solve for x
    x = 1,873,449,418.70/70,349.13
  6. Step 6: Final answer
    x = 26,630.74

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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.