Home / 47,005.80-70,508.70-43,725.30

Finding the Fourth Proportional to 47,005.80, 70,508.70 and 43,725.30

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Solution

The fourth proportional to 47,005.80, 70,508.70 and 43,725.30 is: 65,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.80 : 70,508.70 = 43,725.30 : x
  2. Step 2: Convert to fraction form
    47,005.80/70,508.70 = 43,725.30/x
  3. Step 3: Cross multiply
    47,005.80x = 70,508.70 × 43,725.30
  4. Step 4: Simplify right side
    47,005.80x = 3,083,014,060.11
  5. Step 5: Solve for x
    x = 3,083,014,060.11/47,005.80
  6. Step 6: Final answer
    x = 65,587.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.