Home / 48,570.36-72,859.38-13,509.90

Finding the Fourth Proportional to 48,570.36, 72,859.38 and 13,509.90

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Solution

The fourth proportional to 48,570.36, 72,859.38 and 13,509.90 is: 20,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,570.36 : 72,859.38 = 13,509.90 : x
  2. Step 2: Convert to fraction form
    48,570.36/72,859.38 = 13,509.90/x
  3. Step 3: Cross multiply
    48,570.36x = 72,859.38 × 13,509.90
  4. Step 4: Simplify right side
    48,570.36x = 984,322,937.86
  5. Step 5: Solve for x
    x = 984,322,937.86/48,570.36
  6. Step 6: Final answer
    x = 20,265.92

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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.