Home / 45,157.10-62,346.94-28,168.16

Finding the Fourth Proportional to 45,157.10, 62,346.94 and 28,168.16

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Solution

The fourth proportional to 45,157.10, 62,346.94 and 28,168.16 is: 38,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.10 : 62,346.94 = 28,168.16 : x
  2. Step 2: Convert to fraction form
    45,157.10/62,346.94 = 28,168.16/x
  3. Step 3: Cross multiply
    45,157.10x = 62,346.94 × 28,168.16
  4. Step 4: Simplify right side
    45,157.10x = 1,756,198,581.43
  5. Step 5: Solve for x
    x = 1,756,198,581.43/45,157.10
  6. Step 6: Final answer
    x = 38,890.86

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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.