Home / 31,064.53-42,869.10-16,917.43

Finding the Fourth Proportional to 31,064.53, 42,869.10 and 16,917.43

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Solution

The fourth proportional to 31,064.53, 42,869.10 and 16,917.43 is: 23,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,064.53 : 42,869.10 = 16,917.43 : x
  2. Step 2: Convert to fraction form
    31,064.53/42,869.10 = 16,917.43/x
  3. Step 3: Cross multiply
    31,064.53x = 42,869.10 × 16,917.43
  4. Step 4: Simplify right side
    31,064.53x = 725,234,998.41
  5. Step 5: Solve for x
    x = 725,234,998.41/31,064.53
  6. Step 6: Final answer
    x = 23,346.08

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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.