Home / 31,537.68-43,521.93-17,390.58

Finding the Fourth Proportional to 31,537.68, 43,521.93 and 17,390.58

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Solution

The fourth proportional to 31,537.68, 43,521.93 and 17,390.58 is: 23,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.68 : 43,521.93 = 17,390.58 : x
  2. Step 2: Convert to fraction form
    31,537.68/43,521.93 = 17,390.58/x
  3. Step 3: Cross multiply
    31,537.68x = 43,521.93 × 17,390.58
  4. Step 4: Simplify right side
    31,537.68x = 756,871,605.42
  5. Step 5: Solve for x
    x = 756,871,605.42/31,537.68
  6. Step 6: Final answer
    x = 23,998.96

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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.