Home / 47,610.51-71,420.09-12,550.17

Finding the Fourth Proportional to 47,610.51, 71,420.09 and 12,550.17

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Solution

The fourth proportional to 47,610.51, 71,420.09 and 12,550.17 is: 18,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,610.51 : 71,420.09 = 12,550.17 : x
  2. Step 2: Convert to fraction form
    47,610.51/71,420.09 = 12,550.17/x
  3. Step 3: Cross multiply
    47,610.51x = 71,420.09 × 12,550.17
  4. Step 4: Simplify right side
    47,610.51x = 896,334,270.92
  5. Step 5: Solve for x
    x = 896,334,270.92/47,610.51
  6. Step 6: Final answer
    x = 18,826.40

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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.