Home / 47,479.22-65,530.08-30,504.68

Finding the Fourth Proportional to 47,479.22, 65,530.08 and 30,504.68

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Solution

The fourth proportional to 47,479.22, 65,530.08 and 30,504.68 is: 42,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,479.22 : 65,530.08 = 30,504.68 : x
  2. Step 2: Convert to fraction form
    47,479.22/65,530.08 = 30,504.68/x
  3. Step 3: Cross multiply
    47,479.22x = 65,530.08 × 30,504.68
  4. Step 4: Simplify right side
    47,479.22x = 1,998,974,038.86
  5. Step 5: Solve for x
    x = 1,998,974,038.86/47,479.22
  6. Step 6: Final answer
    x = 42,102.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.