Home / 30,656.06-45,983.64-8,468.95

Finding the Fourth Proportional to 30,656.06, 45,983.64 and 8,468.95

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Solution

The fourth proportional to 30,656.06, 45,983.64 and 8,468.95 is: 12,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.06 : 45,983.64 = 8,468.95 : x
  2. Step 2: Convert to fraction form
    30,656.06/45,983.64 = 8,468.95/x
  3. Step 3: Cross multiply
    30,656.06x = 45,983.64 × 8,468.95
  4. Step 4: Simplify right side
    30,656.06x = 389,433,001.26
  5. Step 5: Solve for x
    x = 389,433,001.26/30,656.06
  6. Step 6: Final answer
    x = 12,703.29

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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.