Home / 31,532.67-43,521.39-18,113.13

Finding the Fourth Proportional to 31,532.67, 43,521.39 and 18,113.13

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Solution

The fourth proportional to 31,532.67, 43,521.39 and 18,113.13 is: 24,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.67 : 43,521.39 = 18,113.13 : x
  2. Step 2: Convert to fraction form
    31,532.67/43,521.39 = 18,113.13/x
  3. Step 3: Cross multiply
    31,532.67x = 43,521.39 × 18,113.13
  4. Step 4: Simplify right side
    31,532.67x = 788,308,594.85
  5. Step 5: Solve for x
    x = 788,308,594.85/31,532.67
  6. Step 6: Final answer
    x = 24,999.74

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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.