Home / 47,025.86-70,543.34-13,745.16

Finding the Fourth Proportional to 47,025.86, 70,543.34 and 13,745.16

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Solution

The fourth proportional to 47,025.86, 70,543.34 and 13,745.16 is: 20,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,025.86 : 70,543.34 = 13,745.16 : x
  2. Step 2: Convert to fraction form
    47,025.86/70,543.34 = 13,745.16/x
  3. Step 3: Cross multiply
    47,025.86x = 70,543.34 × 13,745.16
  4. Step 4: Simplify right side
    47,025.86x = 969,629,495.23
  5. Step 5: Solve for x
    x = 969,629,495.23/47,025.86
  6. Step 6: Final answer
    x = 20,619.07

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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.