Home / 30,252.29-45,378.48-11,784.29

Finding the Fourth Proportional to 30,252.29, 45,378.48 and 11,784.29

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Solution

The fourth proportional to 30,252.29, 45,378.48 and 11,784.29 is: 17,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.29 : 45,378.48 = 11,784.29 : x
  2. Step 2: Convert to fraction form
    30,252.29/45,378.48 = 11,784.29/x
  3. Step 3: Cross multiply
    30,252.29x = 45,378.48 × 11,784.29
  4. Step 4: Simplify right side
    30,252.29x = 534,753,168.08
  5. Step 5: Solve for x
    x = 534,753,168.08/30,252.29
  6. Step 6: Final answer
    x = 17,676.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.