Home / 30,565.10-45,837.30-10,840.88

Finding the Fourth Proportional to 30,565.10, 45,837.30 and 10,840.88

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Solution

The fourth proportional to 30,565.10, 45,837.30 and 10,840.88 is: 16,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.10 : 45,837.30 = 10,840.88 : x
  2. Step 2: Convert to fraction form
    30,565.10/45,837.30 = 10,840.88/x
  3. Step 3: Cross multiply
    30,565.10x = 45,837.30 × 10,840.88
  4. Step 4: Simplify right side
    30,565.10x = 496,916,668.82
  5. Step 5: Solve for x
    x = 496,916,668.82/30,565.10
  6. Step 6: Final answer
    x = 16,257.65

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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.