Home / 47,639.60-65,742.52-26,418.32

Finding the Fourth Proportional to 47,639.60, 65,742.52 and 26,418.32

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Solution

The fourth proportional to 47,639.60, 65,742.52 and 26,418.32 is: 36,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.60 : 65,742.52 = 26,418.32 : x
  2. Step 2: Convert to fraction form
    47,639.60/65,742.52 = 26,418.32/x
  3. Step 3: Cross multiply
    47,639.60x = 65,742.52 × 26,418.32
  4. Step 4: Simplify right side
    47,639.60x = 1,736,806,930.97
  5. Step 5: Solve for x
    x = 1,736,806,930.97/47,639.60
  6. Step 6: Final answer
    x = 36,457.21

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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.