Home / 31,125.24-42,952.68-16,977.96

Finding the Fourth Proportional to 31,125.24, 42,952.68 and 16,977.96

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Solution

The fourth proportional to 31,125.24, 42,952.68 and 16,977.96 is: 23,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.24 : 42,952.68 = 16,977.96 : x
  2. Step 2: Convert to fraction form
    31,125.24/42,952.68 = 16,977.96/x
  3. Step 3: Cross multiply
    31,125.24x = 42,952.68 × 16,977.96
  4. Step 4: Simplify right side
    31,125.24x = 729,248,882.93
  5. Step 5: Solve for x
    x = 729,248,882.93/31,125.24
  6. Step 6: Final answer
    x = 23,429.50

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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.