Home / 47,108.77-70,663.56-13,829.38

Finding the Fourth Proportional to 47,108.77, 70,663.56 and 13,829.38

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Solution

The fourth proportional to 47,108.77, 70,663.56 and 13,829.38 is: 20,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,108.77 : 70,663.56 = 13,829.38 : x
  2. Step 2: Convert to fraction form
    47,108.77/70,663.56 = 13,829.38/x
  3. Step 3: Cross multiply
    47,108.77x = 70,663.56 × 13,829.38
  4. Step 4: Simplify right side
    47,108.77x = 977,233,223.39
  5. Step 5: Solve for x
    x = 977,233,223.39/47,108.77
  6. Step 6: Final answer
    x = 20,744.19

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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.