Home / 47,153.50-70,739-15,565.77

Finding the Fourth Proportional to 47,153.50, 70,739 and 15,565.77

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Solution

The fourth proportional to 47,153.50, 70,739 and 15,565.77 is: 23,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.50 : 70,739 = 15,565.77 : x
  2. Step 2: Convert to fraction form
    47,153.50/70,739 = 15,565.77/x
  3. Step 3: Cross multiply
    47,153.50x = 70,739 × 15,565.77
  4. Step 4: Simplify right side
    47,153.50x = 1,101,107,004.03
  5. Step 5: Solve for x
    x = 1,101,107,004.03/47,153.50
  6. Step 6: Final answer
    x = 23,351.54

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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.