Home / 35,963.31-53,907.51-20,145.15

Finding the Fourth Proportional to 35,963.31, 53,907.51 and 20,145.15

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Solution

The fourth proportional to 35,963.31, 53,907.51 and 20,145.15 is: 30,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,963.31 : 53,907.51 = 20,145.15 : x
  2. Step 2: Convert to fraction form
    35,963.31/53,907.51 = 20,145.15/x
  3. Step 3: Cross multiply
    35,963.31x = 53,907.51 × 20,145.15
  4. Step 4: Simplify right side
    35,963.31x = 1,085,974,875.08
  5. Step 5: Solve for x
    x = 1,085,974,875.08/35,963.31
  6. Step 6: Final answer
    x = 30,196.74

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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.