Home / 47,029.73-70,557.65-18,943.20

Finding the Fourth Proportional to 47,029.73, 70,557.65 and 18,943.20

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Solution

The fourth proportional to 47,029.73, 70,557.65 and 18,943.20 is: 28,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.73 : 70,557.65 = 18,943.20 : x
  2. Step 2: Convert to fraction form
    47,029.73/70,557.65 = 18,943.20/x
  3. Step 3: Cross multiply
    47,029.73x = 70,557.65 × 18,943.20
  4. Step 4: Simplify right side
    47,029.73x = 1,336,587,580.76
  5. Step 5: Solve for x
    x = 1,336,587,580.76/47,029.73
  6. Step 6: Final answer
    x = 28,420.06

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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.