Home / 74,445.62-111,665.91-18,285.62

Finding the Fourth Proportional to 74,445.62, 111,665.91 and 18,285.62

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Solution

The fourth proportional to 74,445.62, 111,665.91 and 18,285.62 is: 27,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.62 : 111,665.91 = 18,285.62 : x
  2. Step 2: Convert to fraction form
    74,445.62/111,665.91 = 18,285.62/x
  3. Step 3: Cross multiply
    74,445.62x = 111,665.91 × 18,285.62
  4. Step 4: Simplify right side
    74,445.62x = 2,041,880,397.21
  5. Step 5: Solve for x
    x = 2,041,880,397.21/74,445.62
  6. Step 6: Final answer
    x = 27,427.81

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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.