Home / 47,257.48-70,798.38-20,543.32

Finding the Fourth Proportional to 47,257.48, 70,798.38 and 20,543.32

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Solution

The fourth proportional to 47,257.48, 70,798.38 and 20,543.32 is: 30,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257.48 : 70,798.38 = 20,543.32 : x
  2. Step 2: Convert to fraction form
    47,257.48/70,798.38 = 20,543.32/x
  3. Step 3: Cross multiply
    47,257.48x = 70,798.38 × 20,543.32
  4. Step 4: Simplify right side
    47,257.48x = 1,454,433,775.82
  5. Step 5: Solve for x
    x = 1,454,433,775.82/47,257.48
  6. Step 6: Final answer
    x = 30,776.80

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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.