Home / 30,873.32-42,606.08-17,445.16

Finding the Fourth Proportional to 30,873.32, 42,606.08 and 17,445.16

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Solution

The fourth proportional to 30,873.32, 42,606.08 and 17,445.16 is: 24,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.32 : 42,606.08 = 17,445.16 : x
  2. Step 2: Convert to fraction form
    30,873.32/42,606.08 = 17,445.16/x
  3. Step 3: Cross multiply
    30,873.32x = 42,606.08 × 17,445.16
  4. Step 4: Simplify right side
    30,873.32x = 743,269,882.57
  5. Step 5: Solve for x
    x = 743,269,882.57/30,873.32
  6. Step 6: Final answer
    x = 24,074.83

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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.