Home / 40,468.83-55,890.54-30,805.62

Finding the Fourth Proportional to 40,468.83, 55,890.54 and 30,805.62

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Solution

The fourth proportional to 40,468.83, 55,890.54 and 30,805.62 is: 42,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,468.83 : 55,890.54 = 30,805.62 : x
  2. Step 2: Convert to fraction form
    40,468.83/55,890.54 = 30,805.62/x
  3. Step 3: Cross multiply
    40,468.83x = 55,890.54 × 30,805.62
  4. Step 4: Simplify right side
    40,468.83x = 1,721,742,736.83
  5. Step 5: Solve for x
    x = 1,721,742,736.83/40,468.83
  6. Step 6: Final answer
    x = 42,544.91

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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.