Home / 53,667.45-80,501.31-18,607.10

Finding the Fourth Proportional to 53,667.45, 80,501.31 and 18,607.10

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Solution

The fourth proportional to 53,667.45, 80,501.31 and 18,607.10 is: 27,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.45 : 80,501.31 = 18,607.10 : x
  2. Step 2: Convert to fraction form
    53,667.45/80,501.31 = 18,607.10/x
  3. Step 3: Cross multiply
    53,667.45x = 80,501.31 × 18,607.10
  4. Step 4: Simplify right side
    53,667.45x = 1,497,895,522.79
  5. Step 5: Solve for x
    x = 1,497,895,522.79/53,667.45
  6. Step 6: Final answer
    x = 27,910.69

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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.