Home / 39,755.03-54,858.70-22,755.40

Finding the Fourth Proportional to 39,755.03, 54,858.70 and 22,755.40

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Solution

The fourth proportional to 39,755.03, 54,858.70 and 22,755.40 is: 31,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,755.03 : 54,858.70 = 22,755.40 : x
  2. Step 2: Convert to fraction form
    39,755.03/54,858.70 = 22,755.40/x
  3. Step 3: Cross multiply
    39,755.03x = 54,858.70 × 22,755.40
  4. Step 4: Simplify right side
    39,755.03x = 1,248,331,467.94
  5. Step 5: Solve for x
    x = 1,248,331,467.94/39,755.03
  6. Step 6: Final answer
    x = 31,400.60

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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.