Home / 30,579.24-42,142.20-23,854.20

Finding the Fourth Proportional to 30,579.24, 42,142.20 and 23,854.20

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Solution

The fourth proportional to 30,579.24, 42,142.20 and 23,854.20 is: 32,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.24 : 42,142.20 = 23,854.20 : x
  2. Step 2: Convert to fraction form
    30,579.24/42,142.20 = 23,854.20/x
  3. Step 3: Cross multiply
    30,579.24x = 42,142.20 × 23,854.20
  4. Step 4: Simplify right side
    30,579.24x = 1,005,268,467.24
  5. Step 5: Solve for x
    x = 1,005,268,467.24/30,579.24
  6. Step 6: Final answer
    x = 32,874.21

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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.