Home / 36,785.40-55,235.70-21,233.40

Finding the Fourth Proportional to 36,785.40, 55,235.70 and 21,233.40

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Solution

The fourth proportional to 36,785.40, 55,235.70 and 21,233.40 is: 31,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.40 : 55,235.70 = 21,233.40 : x
  2. Step 2: Convert to fraction form
    36,785.40/55,235.70 = 21,233.40/x
  3. Step 3: Cross multiply
    36,785.40x = 55,235.70 × 21,233.40
  4. Step 4: Simplify right side
    36,785.40x = 1,172,841,712.38
  5. Step 5: Solve for x
    x = 1,172,841,712.38/36,785.40
  6. Step 6: Final answer
    x = 31,883.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.