Home / 48,079.98-72,120.24-13,019.94

Finding the Fourth Proportional to 48,079.98, 72,120.24 and 13,019.94

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Solution

The fourth proportional to 48,079.98, 72,120.24 and 13,019.94 is: 19,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.98 : 72,120.24 = 13,019.94 : x
  2. Step 2: Convert to fraction form
    48,079.98/72,120.24 = 13,019.94/x
  3. Step 3: Cross multiply
    48,079.98x = 72,120.24 × 13,019.94
  4. Step 4: Simplify right side
    48,079.98x = 939,001,197.59
  5. Step 5: Solve for x
    x = 939,001,197.59/48,079.98
  6. Step 6: Final answer
    x = 19,529.98

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Similar ratio
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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.