Home / 31,666.86-43,700.85-17,521.02

Finding the Fourth Proportional to 31,666.86, 43,700.85 and 17,521.02

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Solution

The fourth proportional to 31,666.86, 43,700.85 and 17,521.02 is: 24,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,666.86 : 43,700.85 = 17,521.02 : x
  2. Step 2: Convert to fraction form
    31,666.86/43,700.85 = 17,521.02/x
  3. Step 3: Cross multiply
    31,666.86x = 43,700.85 × 17,521.02
  4. Step 4: Simplify right side
    31,666.86x = 765,683,466.87
  5. Step 5: Solve for x
    x = 765,683,466.87/31,666.86
  6. Step 6: Final answer
    x = 24,179.33

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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.