Home / 32,742.92-45,183.16-19,314.72

Finding the Fourth Proportional to 32,742.92, 45,183.16 and 19,314.72

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Solution

The fourth proportional to 32,742.92, 45,183.16 and 19,314.72 is: 26,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.92 : 45,183.16 = 19,314.72 : x
  2. Step 2: Convert to fraction form
    32,742.92/45,183.16 = 19,314.72/x
  3. Step 3: Cross multiply
    32,742.92x = 45,183.16 × 19,314.72
  4. Step 4: Simplify right side
    32,742.92x = 872,700,084.12
  5. Step 5: Solve for x
    x = 872,700,084.12/32,742.92
  6. Step 6: Final answer
    x = 26,653.09

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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.