Home / 31,737.65-43,794.86-18,988.25

Finding the Fourth Proportional to 31,737.65, 43,794.86 and 18,988.25

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Solution

The fourth proportional to 31,737.65, 43,794.86 and 18,988.25 is: 26,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.65 : 43,794.86 = 18,988.25 : x
  2. Step 2: Convert to fraction form
    31,737.65/43,794.86 = 18,988.25/x
  3. Step 3: Cross multiply
    31,737.65x = 43,794.86 × 18,988.25
  4. Step 4: Simplify right side
    31,737.65x = 831,587,436.48
  5. Step 5: Solve for x
    x = 831,587,436.48/31,737.65
  6. Step 6: Final answer
    x = 26,201.93

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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.