Home / 48,099.20-72,148.80-13,038.80

Finding the Fourth Proportional to 48,099.20, 72,148.80 and 13,038.80

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Solution

The fourth proportional to 48,099.20, 72,148.80 and 13,038.80 is: 19,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,099.20 : 72,148.80 = 13,038.80 : x
  2. Step 2: Convert to fraction form
    48,099.20/72,148.80 = 13,038.80/x
  3. Step 3: Cross multiply
    48,099.20x = 72,148.80 × 13,038.80
  4. Step 4: Simplify right side
    48,099.20x = 940,733,773.44
  5. Step 5: Solve for x
    x = 940,733,773.44/48,099.20
  6. Step 6: Final answer
    x = 19,558.20

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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.