Home / 31,637.68-43,657.86-17,488.60

Finding the Fourth Proportional to 31,637.68, 43,657.86 and 17,488.60

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Solution

The fourth proportional to 31,637.68, 43,657.86 and 17,488.60 is: 24,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.68 : 43,657.86 = 17,488.60 : x
  2. Step 2: Convert to fraction form
    31,637.68/43,657.86 = 17,488.60/x
  3. Step 3: Cross multiply
    31,637.68x = 43,657.86 × 17,488.60
  4. Step 4: Simplify right side
    31,637.68x = 763,514,850.40
  5. Step 5: Solve for x
    x = 763,514,850.40/31,637.68
  6. Step 6: Final answer
    x = 24,133.09

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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.