Home / 43,107.07-59,468.21-31,151.47

Finding the Fourth Proportional to 43,107.07, 59,468.21 and 31,151.47

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Solution

The fourth proportional to 43,107.07, 59,468.21 and 31,151.47 is: 42,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.07 : 59,468.21 = 31,151.47 : x
  2. Step 2: Convert to fraction form
    43,107.07/59,468.21 = 31,151.47/x
  3. Step 3: Cross multiply
    43,107.07x = 59,468.21 × 31,151.47
  4. Step 4: Simplify right side
    43,107.07x = 1,852,521,862.43
  5. Step 5: Solve for x
    x = 1,852,521,862.43/43,107.07
  6. Step 6: Final answer
    x = 42,974.90

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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.