Home / 35,905.16-49,551.82-20,801.90

Finding the Fourth Proportional to 35,905.16, 49,551.82 and 20,801.90

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Solution

The fourth proportional to 35,905.16, 49,551.82 and 20,801.90 is: 28,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.16 : 49,551.82 = 20,801.90 : x
  2. Step 2: Convert to fraction form
    35,905.16/49,551.82 = 20,801.90/x
  3. Step 3: Cross multiply
    35,905.16x = 49,551.82 × 20,801.90
  4. Step 4: Simplify right side
    35,905.16x = 1,030,772,004.46
  5. Step 5: Solve for x
    x = 1,030,772,004.46/35,905.16
  6. Step 6: Final answer
    x = 28,708.19

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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.