Home / 47,221.73-70,840.28-13,945.16

Finding the Fourth Proportional to 47,221.73, 70,840.28 and 13,945.16

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Solution

The fourth proportional to 47,221.73, 70,840.28 and 13,945.16 is: 20,920.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,221.73 : 70,840.28 = 13,945.16 : x
  2. Step 2: Convert to fraction form
    47,221.73/70,840.28 = 13,945.16/x
  3. Step 3: Cross multiply
    47,221.73x = 70,840.28 × 13,945.16
  4. Step 4: Simplify right side
    47,221.73x = 987,878,615.12
  5. Step 5: Solve for x
    x = 987,878,615.12/47,221.73
  6. Step 6: Final answer
    x = 20,920.00

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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.