Home / 30,462.22-45,688.60-11,751.02

Finding the Fourth Proportional to 30,462.22, 45,688.60 and 11,751.02

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Solution

The fourth proportional to 30,462.22, 45,688.60 and 11,751.02 is: 17,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,462.22 : 45,688.60 = 11,751.02 : x
  2. Step 2: Convert to fraction form
    30,462.22/45,688.60 = 11,751.02/x
  3. Step 3: Cross multiply
    30,462.22x = 45,688.60 × 11,751.02
  4. Step 4: Simplify right side
    30,462.22x = 536,887,365.17
  5. Step 5: Solve for x
    x = 536,887,365.17/30,462.22
  6. Step 6: Final answer
    x = 17,624.70

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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.