Home / 31,125.67-42,953.64-17,696.13

Finding the Fourth Proportional to 31,125.67, 42,953.64 and 17,696.13

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Solution

The fourth proportional to 31,125.67, 42,953.64 and 17,696.13 is: 24,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.67 : 42,953.64 = 17,696.13 : x
  2. Step 2: Convert to fraction form
    31,125.67/42,953.64 = 17,696.13/x
  3. Step 3: Cross multiply
    31,125.67x = 42,953.64 × 17,696.13
  4. Step 4: Simplify right side
    31,125.67x = 760,113,197.41
  5. Step 5: Solve for x
    x = 760,113,197.41/31,125.67
  6. Step 6: Final answer
    x = 24,420.78

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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.