Home / 47,341.52-65,352.06-31,439.60

Finding the Fourth Proportional to 47,341.52, 65,352.06 and 31,439.60

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Solution

The fourth proportional to 47,341.52, 65,352.06 and 31,439.60 is: 43,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341.52 : 65,352.06 = 31,439.60 : x
  2. Step 2: Convert to fraction form
    47,341.52/65,352.06 = 31,439.60/x
  3. Step 3: Cross multiply
    47,341.52x = 65,352.06 × 31,439.60
  4. Step 4: Simplify right side
    47,341.52x = 2,054,642,625.58
  5. Step 5: Solve for x
    x = 2,054,642,625.58/47,341.52
  6. Step 6: Final answer
    x = 43,400.44

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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.