Home / 58,478.80-87,705.60-18,500.92

Finding the Fourth Proportional to 58,478.80, 87,705.60 and 18,500.92

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Solution

The fourth proportional to 58,478.80, 87,705.60 and 18,500.92 is: 27,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.80 : 87,705.60 = 18,500.92 : x
  2. Step 2: Convert to fraction form
    58,478.80/87,705.60 = 18,500.92/x
  3. Step 3: Cross multiply
    58,478.80x = 87,705.60 × 18,500.92
  4. Step 4: Simplify right side
    58,478.80x = 1,622,634,289.15
  5. Step 5: Solve for x
    x = 1,622,634,289.15/58,478.80
  6. Step 6: Final answer
    x = 27,747.39

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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.