Home / 31,745.47-43,808.51-17,405.13

Finding the Fourth Proportional to 31,745.47, 43,808.51 and 17,405.13

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Solution

The fourth proportional to 31,745.47, 43,808.51 and 17,405.13 is: 24,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.47 : 43,808.51 = 17,405.13 : x
  2. Step 2: Convert to fraction form
    31,745.47/43,808.51 = 17,405.13/x
  3. Step 3: Cross multiply
    31,745.47x = 43,808.51 × 17,405.13
  4. Step 4: Simplify right side
    31,745.47x = 762,492,811.66
  5. Step 5: Solve for x
    x = 762,492,811.66/31,745.47
  6. Step 6: Final answer
    x = 24,018.95

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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.