Home / 47,564.20-65,639.46-28,697.32

Finding the Fourth Proportional to 47,564.20, 65,639.46 and 28,697.32

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Solution

The fourth proportional to 47,564.20, 65,639.46 and 28,697.32 is: 39,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,564.20 : 65,639.46 = 28,697.32 : x
  2. Step 2: Convert to fraction form
    47,564.20/65,639.46 = 28,697.32/x
  3. Step 3: Cross multiply
    47,564.20x = 65,639.46 × 28,697.32
  4. Step 4: Simplify right side
    47,564.20x = 1,883,676,588.25
  5. Step 5: Solve for x
    x = 1,883,676,588.25/47,564.20
  6. Step 6: Final answer
    x = 39,602.82

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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.