Home / 31,418.08-43,355.34-17,270.62

Finding the Fourth Proportional to 31,418.08, 43,355.34 and 17,270.62

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Solution

The fourth proportional to 31,418.08, 43,355.34 and 17,270.62 is: 23,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.08 : 43,355.34 = 17,270.62 : x
  2. Step 2: Convert to fraction form
    31,418.08/43,355.34 = 17,270.62/x
  3. Step 3: Cross multiply
    31,418.08x = 43,355.34 × 17,270.62
  4. Step 4: Simplify right side
    31,418.08x = 748,773,602.11
  5. Step 5: Solve for x
    x = 748,773,602.11/31,418.08
  6. Step 6: Final answer
    x = 23,832.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.