Home / 47,128.74-70,703.50-15,537.54

Finding the Fourth Proportional to 47,128.74, 70,703.50 and 15,537.54

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Solution

The fourth proportional to 47,128.74, 70,703.50 and 15,537.54 is: 23,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,128.74 : 70,703.50 = 15,537.54 : x
  2. Step 2: Convert to fraction form
    47,128.74/70,703.50 = 15,537.54/x
  3. Step 3: Cross multiply
    47,128.74x = 70,703.50 × 15,537.54
  4. Step 4: Simplify right side
    47,128.74x = 1,098,558,459.39
  5. Step 5: Solve for x
    x = 1,098,558,459.39/47,128.74
  6. Step 6: Final answer
    x = 23,309.74

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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.