Home / 39,488.40-54,467.28-25,358.40

Finding the Fourth Proportional to 39,488.40, 54,467.28 and 25,358.40

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Solution

The fourth proportional to 39,488.40, 54,467.28 and 25,358.40 is: 34,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.40 : 54,467.28 = 25,358.40 : x
  2. Step 2: Convert to fraction form
    39,488.40/54,467.28 = 25,358.40/x
  3. Step 3: Cross multiply
    39,488.40x = 54,467.28 × 25,358.40
  4. Step 4: Simplify right side
    39,488.40x = 1,381,203,073.15
  5. Step 5: Solve for x
    x = 1,381,203,073.15/39,488.40
  6. Step 6: Final answer
    x = 34,977.44

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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.