Home / 40,643.44-56,107.12-30,575.71

Finding the Fourth Proportional to 40,643.44, 56,107.12 and 30,575.71

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Solution

The fourth proportional to 40,643.44, 56,107.12 and 30,575.71 is: 42,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.44 : 56,107.12 = 30,575.71 : x
  2. Step 2: Convert to fraction form
    40,643.44/56,107.12 = 30,575.71/x
  3. Step 3: Cross multiply
    40,643.44x = 56,107.12 × 30,575.71
  4. Step 4: Simplify right side
    40,643.44x = 1,715,515,030.06
  5. Step 5: Solve for x
    x = 1,715,515,030.06/40,643.44
  6. Step 6: Final answer
    x = 42,208.90

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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.