Home / 47,603.07-65,722.11-30,636.80

Finding the Fourth Proportional to 47,603.07, 65,722.11 and 30,636.80

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Solution

The fourth proportional to 47,603.07, 65,722.11 and 30,636.80 is: 42,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.07 : 65,722.11 = 30,636.80 : x
  2. Step 2: Convert to fraction form
    47,603.07/65,722.11 = 30,636.80/x
  3. Step 3: Cross multiply
    47,603.07x = 65,722.11 × 30,636.80
  4. Step 4: Simplify right side
    47,603.07x = 2,013,514,811.04
  5. Step 5: Solve for x
    x = 2,013,514,811.04/47,603.07
  6. Step 6: Final answer
    x = 42,298.00

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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.