Home / 46,442.44-69,663.68-18,721

Finding the Fourth Proportional to 46,442.44, 69,663.68 and 18,721

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Solution

The fourth proportional to 46,442.44, 69,663.68 and 18,721 is: 28,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,442.44 : 69,663.68 = 18,721 : x
  2. Step 2: Convert to fraction form
    46,442.44/69,663.68 = 18,721/x
  3. Step 3: Cross multiply
    46,442.44x = 69,663.68 × 18,721
  4. Step 4: Simplify right side
    46,442.44x = 1,304,173,753.28
  5. Step 5: Solve for x
    x = 1,304,173,753.28/46,442.44
  6. Step 6: Final answer
    x = 28,081.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.