Home / 33,545.78-46,293.96-18,438.32

Finding the Fourth Proportional to 33,545.78, 46,293.96 and 18,438.32

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Solution

The fourth proportional to 33,545.78, 46,293.96 and 18,438.32 is: 25,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,545.78 : 46,293.96 = 18,438.32 : x
  2. Step 2: Convert to fraction form
    33,545.78/46,293.96 = 18,438.32/x
  3. Step 3: Cross multiply
    33,545.78x = 46,293.96 × 18,438.32
  4. Step 4: Simplify right side
    33,545.78x = 853,582,848.55
  5. Step 5: Solve for x
    x = 853,582,848.55/33,545.78
  6. Step 6: Final answer
    x = 25,445.31

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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.