Home / 53,461.81-80,191.77-18,400.69

Finding the Fourth Proportional to 53,461.81, 80,191.77 and 18,400.69

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Solution

The fourth proportional to 53,461.81, 80,191.77 and 18,400.69 is: 27,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,461.81 : 80,191.77 = 18,400.69 : x
  2. Step 2: Convert to fraction form
    53,461.81/80,191.77 = 18,400.69/x
  3. Step 3: Cross multiply
    53,461.81x = 80,191.77 × 18,400.69
  4. Step 4: Simplify right side
    53,461.81x = 1,475,583,900.32
  5. Step 5: Solve for x
    x = 1,475,583,900.32/53,461.81
  6. Step 6: Final answer
    x = 27,600.71

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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.