Home / 30,575.52-45,837.27-13,929.66

Finding the Fourth Proportional to 30,575.52, 45,837.27 and 13,929.66

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Solution

The fourth proportional to 30,575.52, 45,837.27 and 13,929.66 is: 20,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.52 : 45,837.27 = 13,929.66 : x
  2. Step 2: Convert to fraction form
    30,575.52/45,837.27 = 13,929.66/x
  3. Step 3: Cross multiply
    30,575.52x = 45,837.27 × 13,929.66
  4. Step 4: Simplify right side
    30,575.52x = 638,497,586.43
  5. Step 5: Solve for x
    x = 638,497,586.43/30,575.52
  6. Step 6: Final answer
    x = 20,882.64

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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.