Home / 40,187.07-55,458.06-22,281.62

Finding the Fourth Proportional to 40,187.07, 55,458.06 and 22,281.62

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Solution

The fourth proportional to 40,187.07, 55,458.06 and 22,281.62 is: 30,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.07 : 55,458.06 = 22,281.62 : x
  2. Step 2: Convert to fraction form
    40,187.07/55,458.06 = 22,281.62/x
  3. Step 3: Cross multiply
    40,187.07x = 55,458.06 × 22,281.62
  4. Step 4: Simplify right side
    40,187.07x = 1,235,695,418.86
  5. Step 5: Solve for x
    x = 1,235,695,418.86/40,187.07
  6. Step 6: Final answer
    x = 30,748.58

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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.