Home / 31,907.19-44,035.71-18,300.12

Finding the Fourth Proportional to 31,907.19, 44,035.71 and 18,300.12

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Solution

The fourth proportional to 31,907.19, 44,035.71 and 18,300.12 is: 25,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.19 : 44,035.71 = 18,300.12 : x
  2. Step 2: Convert to fraction form
    31,907.19/44,035.71 = 18,300.12/x
  3. Step 3: Cross multiply
    31,907.19x = 44,035.71 × 18,300.12
  4. Step 4: Simplify right side
    31,907.19x = 805,858,777.29
  5. Step 5: Solve for x
    x = 805,858,777.29/31,907.19
  6. Step 6: Final answer
    x = 25,256.34

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Double scale
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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.