Home / 31,637.34-43,658.91-17,490.06

Finding the Fourth Proportional to 31,637.34, 43,658.91 and 17,490.06

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Solution

The fourth proportional to 31,637.34, 43,658.91 and 17,490.06 is: 24,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.34 : 43,658.91 = 17,490.06 : x
  2. Step 2: Convert to fraction form
    31,637.34/43,658.91 = 17,490.06/x
  3. Step 3: Cross multiply
    31,637.34x = 43,658.91 × 17,490.06
  4. Step 4: Simplify right side
    31,637.34x = 763,596,955.43
  5. Step 5: Solve for x
    x = 763,596,955.43/31,637.34
  6. Step 6: Final answer
    x = 24,135.94

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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.