Home / 31,637.58-43,656.03-17,490.66

Finding the Fourth Proportional to 31,637.58, 43,656.03 and 17,490.66

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Solution

The fourth proportional to 31,637.58, 43,656.03 and 17,490.66 is: 24,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.58 : 43,656.03 = 17,490.66 : x
  2. Step 2: Convert to fraction form
    31,637.58/43,656.03 = 17,490.66/x
  3. Step 3: Cross multiply
    31,637.58x = 43,656.03 × 17,490.66
  4. Step 4: Simplify right side
    31,637.58x = 763,572,777.68
  5. Step 5: Solve for x
    x = 763,572,777.68/31,637.58
  6. Step 6: Final answer
    x = 24,134.99

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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.