Home / 46,945.56-70,421.58-13,665.90

Finding the Fourth Proportional to 46,945.56, 70,421.58 and 13,665.90

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Solution

The fourth proportional to 46,945.56, 70,421.58 and 13,665.90 is: 20,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,945.56 : 70,421.58 = 13,665.90 : x
  2. Step 2: Convert to fraction form
    46,945.56/70,421.58 = 13,665.90/x
  3. Step 3: Cross multiply
    46,945.56x = 70,421.58 × 13,665.90
  4. Step 4: Simplify right side
    46,945.56x = 962,374,270.12
  5. Step 5: Solve for x
    x = 962,374,270.12/46,945.56
  6. Step 6: Final answer
    x = 20,499.79

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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.