Home / 35,477.28-53,217.54-12,103.92

Finding the Fourth Proportional to 35,477.28, 53,217.54 and 12,103.92

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Solution

The fourth proportional to 35,477.28, 53,217.54 and 12,103.92 is: 18,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.28 : 53,217.54 = 12,103.92 : x
  2. Step 2: Convert to fraction form
    35,477.28/53,217.54 = 12,103.92/x
  3. Step 3: Cross multiply
    35,477.28x = 53,217.54 × 12,103.92
  4. Step 4: Simplify right side
    35,477.28x = 644,140,846.76
  5. Step 5: Solve for x
    x = 644,140,846.76/35,477.28
  6. Step 6: Final answer
    x = 18,156.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.