Home / 39,435.28-54,420.81-25,288.18

Finding the Fourth Proportional to 39,435.28, 54,420.81 and 25,288.18

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Solution

The fourth proportional to 39,435.28, 54,420.81 and 25,288.18 is: 34,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.28 : 54,420.81 = 25,288.18 : x
  2. Step 2: Convert to fraction form
    39,435.28/54,420.81 = 25,288.18/x
  3. Step 3: Cross multiply
    39,435.28x = 54,420.81 × 25,288.18
  4. Step 4: Simplify right side
    39,435.28x = 1,376,203,239.03
  5. Step 5: Solve for x
    x = 1,376,203,239.03/39,435.28
  6. Step 6: Final answer
    x = 34,897.77

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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.