Home / 39,778.12-54,880.14-24,665.34

Finding the Fourth Proportional to 39,778.12, 54,880.14 and 24,665.34

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Solution

The fourth proportional to 39,778.12, 54,880.14 and 24,665.34 is: 34,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.12 : 54,880.14 = 24,665.34 : x
  2. Step 2: Convert to fraction form
    39,778.12/54,880.14 = 24,665.34/x
  3. Step 3: Cross multiply
    39,778.12x = 54,880.14 × 24,665.34
  4. Step 4: Simplify right side
    39,778.12x = 1,353,637,312.35
  5. Step 5: Solve for x
    x = 1,353,637,312.35/39,778.12
  6. Step 6: Final answer
    x = 34,029.70

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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.