Home / 31,477.38-43,438.95-17,330.23

Finding the Fourth Proportional to 31,477.38, 43,438.95 and 17,330.23

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Solution

The fourth proportional to 31,477.38, 43,438.95 and 17,330.23 is: 23,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.38 : 43,438.95 = 17,330.23 : x
  2. Step 2: Convert to fraction form
    31,477.38/43,438.95 = 17,330.23/x
  3. Step 3: Cross multiply
    31,477.38x = 43,438.95 × 17,330.23
  4. Step 4: Simplify right side
    31,477.38x = 752,806,994.46
  5. Step 5: Solve for x
    x = 752,806,994.46/31,477.38
  6. Step 6: Final answer
    x = 23,915.81

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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.