Home / 58,438.18-87,735.03-30,755.62

Finding the Fourth Proportional to 58,438.18, 87,735.03 and 30,755.62

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Solution

The fourth proportional to 58,438.18, 87,735.03 and 30,755.62 is: 46,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.18 : 87,735.03 = 30,755.62 : x
  2. Step 2: Convert to fraction form
    58,438.18/87,735.03 = 30,755.62/x
  3. Step 3: Cross multiply
    58,438.18x = 87,735.03 × 30,755.62
  4. Step 4: Simplify right side
    58,438.18x = 2,698,345,243.37
  5. Step 5: Solve for x
    x = 2,698,345,243.37/58,438.18
  6. Step 6: Final answer
    x = 46,174.35

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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.