Home / 58,331.68-87,511.36-18,888.73

Finding the Fourth Proportional to 58,331.68, 87,511.36 and 18,888.73

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Solution

The fourth proportional to 58,331.68, 87,511.36 and 18,888.73 is: 28,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.68 : 87,511.36 = 18,888.73 : x
  2. Step 2: Convert to fraction form
    58,331.68/87,511.36 = 18,888.73/x
  3. Step 3: Cross multiply
    58,331.68x = 87,511.36 × 18,888.73
  4. Step 4: Simplify right side
    58,331.68x = 1,652,978,184.97
  5. Step 5: Solve for x
    x = 1,652,978,184.97/58,331.68
  6. Step 6: Final answer
    x = 28,337.57

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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.