Home / 47,029.86-70,549.34-13,749.16

Finding the Fourth Proportional to 47,029.86, 70,549.34 and 13,749.16

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Solution

The fourth proportional to 47,029.86, 70,549.34 and 13,749.16 is: 20,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.86 : 70,549.34 = 13,749.16 : x
  2. Step 2: Convert to fraction form
    47,029.86/70,549.34 = 13,749.16/x
  3. Step 3: Cross multiply
    47,029.86x = 70,549.34 × 13,749.16
  4. Step 4: Simplify right side
    47,029.86x = 969,994,163.55
  5. Step 5: Solve for x
    x = 969,994,163.55/47,029.86
  6. Step 6: Final answer
    x = 20,625.07

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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.