Home / 31,620.48-43,632.99-17,471.40

Finding the Fourth Proportional to 31,620.48, 43,632.99 and 17,471.40

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Solution

The fourth proportional to 31,620.48, 43,632.99 and 17,471.40 is: 24,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.48 : 43,632.99 = 17,471.40 : x
  2. Step 2: Convert to fraction form
    31,620.48/43,632.99 = 17,471.40/x
  3. Step 3: Cross multiply
    31,620.48x = 43,632.99 × 17,471.40
  4. Step 4: Simplify right side
    31,620.48x = 762,329,421.49
  5. Step 5: Solve for x
    x = 762,329,421.49/31,620.48
  6. Step 6: Final answer
    x = 24,108.72

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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.