Home / 47,078.57-70,617.80-12,018.24

Finding the Fourth Proportional to 47,078.57, 70,617.80 and 12,018.24

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Solution

The fourth proportional to 47,078.57, 70,617.80 and 12,018.24 is: 18,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.57 : 70,617.80 = 12,018.24 : x
  2. Step 2: Convert to fraction form
    47,078.57/70,617.80 = 12,018.24/x
  3. Step 3: Cross multiply
    47,078.57x = 70,617.80 × 12,018.24
  4. Step 4: Simplify right side
    47,078.57x = 848,701,608.58
  5. Step 5: Solve for x
    x = 848,701,608.58/47,078.57
  6. Step 6: Final answer
    x = 18,027.35

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1.5x scale

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.