Home / 47,043.72-70,549.92-13,765.68

Finding the Fourth Proportional to 47,043.72, 70,549.92 and 13,765.68

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Solution

The fourth proportional to 47,043.72, 70,549.92 and 13,765.68 is: 20,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,043.72 : 70,549.92 = 13,765.68 : x
  2. Step 2: Convert to fraction form
    47,043.72/70,549.92 = 13,765.68/x
  3. Step 3: Cross multiply
    47,043.72x = 70,549.92 × 13,765.68
  4. Step 4: Simplify right side
    47,043.72x = 971,167,622.75
  5. Step 5: Solve for x
    x = 971,167,622.75/47,043.72
  6. Step 6: Final answer
    x = 20,643.94

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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.