Home / 31,417.89-43,355.58-17,270.63

Finding the Fourth Proportional to 31,417.89, 43,355.58 and 17,270.63

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Solution

The fourth proportional to 31,417.89, 43,355.58 and 17,270.63 is: 23,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417.89 : 43,355.58 = 17,270.63 : x
  2. Step 2: Convert to fraction form
    31,417.89/43,355.58 = 17,270.63/x
  3. Step 3: Cross multiply
    31,417.89x = 43,355.58 × 17,270.63
  4. Step 4: Simplify right side
    31,417.89x = 748,778,180.62
  5. Step 5: Solve for x
    x = 748,778,180.62/31,417.89
  6. Step 6: Final answer
    x = 23,832.86

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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.