Home / 39,435.22-54,420.72-25,288.12

Finding the Fourth Proportional to 39,435.22, 54,420.72 and 25,288.12

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Solution

The fourth proportional to 39,435.22, 54,420.72 and 25,288.12 is: 34,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.22 : 54,420.72 = 25,288.12 : x
  2. Step 2: Convert to fraction form
    39,435.22/54,420.72 = 25,288.12/x
  3. Step 3: Cross multiply
    39,435.22x = 54,420.72 × 25,288.12
  4. Step 4: Simplify right side
    39,435.22x = 1,376,197,656.63
  5. Step 5: Solve for x
    x = 1,376,197,656.63/39,435.22
  6. Step 6: Final answer
    x = 34,897.68

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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.