Home / 47,564.43-65,639.39-28,697.91

Finding the Fourth Proportional to 47,564.43, 65,639.39 and 28,697.91

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Solution

The fourth proportional to 47,564.43, 65,639.39 and 28,697.91 is: 39,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,564.43 : 65,639.39 = 28,697.91 : x
  2. Step 2: Convert to fraction form
    47,564.43/65,639.39 = 28,697.91/x
  3. Step 3: Cross multiply
    47,564.43x = 65,639.39 × 28,697.91
  4. Step 4: Simplify right side
    47,564.43x = 1,883,713,078.46
  5. Step 5: Solve for x
    x = 1,883,713,078.46/47,564.43
  6. Step 6: Final answer
    x = 39,603.40

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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.