Home / 39,929.88-55,138.68-24,848.40

Finding the Fourth Proportional to 39,929.88, 55,138.68 and 24,848.40

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Solution

The fourth proportional to 39,929.88, 55,138.68 and 24,848.40 is: 34,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.88 : 55,138.68 = 24,848.40 : x
  2. Step 2: Convert to fraction form
    39,929.88/55,138.68 = 24,848.40/x
  3. Step 3: Cross multiply
    39,929.88x = 55,138.68 × 24,848.40
  4. Step 4: Simplify right side
    39,929.88x = 1,370,107,976.11
  5. Step 5: Solve for x
    x = 1,370,107,976.11/39,929.88
  6. Step 6: Final answer
    x = 34,312.85

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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.