Home / 42,017.09-57,983.27-23,154.21

Finding the Fourth Proportional to 42,017.09, 57,983.27 and 23,154.21

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Solution

The fourth proportional to 42,017.09, 57,983.27 and 23,154.21 is: 31,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.09 : 57,983.27 = 23,154.21 : x
  2. Step 2: Convert to fraction form
    42,017.09/57,983.27 = 23,154.21/x
  3. Step 3: Cross multiply
    42,017.09x = 57,983.27 × 23,154.21
  4. Step 4: Simplify right side
    42,017.09x = 1,342,556,694.30
  5. Step 5: Solve for x
    x = 1,342,556,694.30/42,017.09
  6. Step 6: Final answer
    x = 31,952.64

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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.