Home / 48,430.91-72,650.52-13,370.55

Finding the Fourth Proportional to 48,430.91, 72,650.52 and 13,370.55

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Solution

The fourth proportional to 48,430.91, 72,650.52 and 13,370.55 is: 20,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.91 : 72,650.52 = 13,370.55 : x
  2. Step 2: Convert to fraction form
    48,430.91/72,650.52 = 13,370.55/x
  3. Step 3: Cross multiply
    48,430.91x = 72,650.52 × 13,370.55
  4. Step 4: Simplify right side
    48,430.91x = 971,377,410.19
  5. Step 5: Solve for x
    x = 971,377,410.19/48,430.91
  6. Step 6: Final answer
    x = 20,056.97

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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.