Home / 35,109.60-52,700.84-20,347.36

Finding the Fourth Proportional to 35,109.60, 52,700.84 and 20,347.36

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Solution

The fourth proportional to 35,109.60, 52,700.84 and 20,347.36 is: 30,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,109.60 : 52,700.84 = 20,347.36 : x
  2. Step 2: Convert to fraction form
    35,109.60/52,700.84 = 20,347.36/x
  3. Step 3: Cross multiply
    35,109.60x = 52,700.84 × 20,347.36
  4. Step 4: Simplify right side
    35,109.60x = 1,072,322,963.78
  5. Step 5: Solve for x
    x = 1,072,322,963.78/35,109.60
  6. Step 6: Final answer
    x = 30,542.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.