Home / 31,600.93-43,607.50-18,868.49

Finding the Fourth Proportional to 31,600.93, 43,607.50 and 18,868.49

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Solution

The fourth proportional to 31,600.93, 43,607.50 and 18,868.49 is: 26,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,600.93 : 43,607.50 = 18,868.49 : x
  2. Step 2: Convert to fraction form
    31,600.93/43,607.50 = 18,868.49/x
  3. Step 3: Cross multiply
    31,600.93x = 43,607.50 × 18,868.49
  4. Step 4: Simplify right side
    31,600.93x = 822,807,583.33
  5. Step 5: Solve for x
    x = 822,807,583.33/31,600.93
  6. Step 6: Final answer
    x = 26,037.45

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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.