Home / 30,771.28-42,464.42-17,853.06

Finding the Fourth Proportional to 30,771.28, 42,464.42 and 17,853.06

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Solution

The fourth proportional to 30,771.28, 42,464.42 and 17,853.06 is: 24,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.28 : 42,464.42 = 17,853.06 : x
  2. Step 2: Convert to fraction form
    30,771.28/42,464.42 = 17,853.06/x
  3. Step 3: Cross multiply
    30,771.28x = 42,464.42 × 17,853.06
  4. Step 4: Simplify right side
    30,771.28x = 758,119,838.13
  5. Step 5: Solve for x
    x = 758,119,838.13/30,771.28
  6. Step 6: Final answer
    x = 24,637.25

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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.