Home / 58,311.23-87,445.42-20,861.15

Finding the Fourth Proportional to 58,311.23, 87,445.42 and 20,861.15

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Solution

The fourth proportional to 58,311.23, 87,445.42 and 20,861.15 is: 31,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,311.23 : 87,445.42 = 20,861.15 : x
  2. Step 2: Convert to fraction form
    58,311.23/87,445.42 = 20,861.15/x
  3. Step 3: Cross multiply
    58,311.23x = 87,445.42 × 20,861.15
  4. Step 4: Simplify right side
    58,311.23x = 1,824,212,023.43
  5. Step 5: Solve for x
    x = 1,824,212,023.43/58,311.23
  6. Step 6: Final answer
    x = 31,284.06

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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.