Home / 33,545.10-46,293.08-18,438.15

Finding the Fourth Proportional to 33,545.10, 46,293.08 and 18,438.15

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Solution

The fourth proportional to 33,545.10, 46,293.08 and 18,438.15 is: 25,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,545.10 : 46,293.08 = 18,438.15 : x
  2. Step 2: Convert to fraction form
    33,545.10/46,293.08 = 18,438.15/x
  3. Step 3: Cross multiply
    33,545.10x = 46,293.08 × 18,438.15
  4. Step 4: Simplify right side
    33,545.10x = 853,558,753.00
  5. Step 5: Solve for x
    x = 853,558,753.00/33,545.10
  6. Step 6: Final answer
    x = 25,445.11

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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.