Home / 31,934.78-44,070-18,513.81

Finding the Fourth Proportional to 31,934.78, 44,070 and 18,513.81

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Solution

The fourth proportional to 31,934.78, 44,070 and 18,513.81 is: 25,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.78 : 44,070 = 18,513.81 : x
  2. Step 2: Convert to fraction form
    31,934.78/44,070 = 18,513.81/x
  3. Step 3: Cross multiply
    31,934.78x = 44,070 × 18,513.81
  4. Step 4: Simplify right side
    31,934.78x = 815,903,606.70
  5. Step 5: Solve for x
    x = 815,903,606.70/31,934.78
  6. Step 6: Final answer
    x = 25,549.06

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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.