Home / 31,795.77-43,868.01-18,365.25

Finding the Fourth Proportional to 31,795.77, 43,868.01 and 18,365.25

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Solution

The fourth proportional to 31,795.77, 43,868.01 and 18,365.25 is: 25,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.77 : 43,868.01 = 18,365.25 : x
  2. Step 2: Convert to fraction form
    31,795.77/43,868.01 = 18,365.25/x
  3. Step 3: Cross multiply
    31,795.77x = 43,868.01 × 18,365.25
  4. Step 4: Simplify right side
    31,795.77x = 805,646,970.65
  5. Step 5: Solve for x
    x = 805,646,970.65/31,795.77
  6. Step 6: Final answer
    x = 25,338.18

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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.