Home / 48,117.20-72,175.80-13,056.80

Finding the Fourth Proportional to 48,117.20, 72,175.80 and 13,056.80

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Solution

The fourth proportional to 48,117.20, 72,175.80 and 13,056.80 is: 19,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.20 : 72,175.80 = 13,056.80 : x
  2. Step 2: Convert to fraction form
    48,117.20/72,175.80 = 13,056.80/x
  3. Step 3: Cross multiply
    48,117.20x = 72,175.80 × 13,056.80
  4. Step 4: Simplify right side
    48,117.20x = 942,384,985.44
  5. Step 5: Solve for x
    x = 942,384,985.44/48,117.20
  6. Step 6: Final answer
    x = 19,585.20

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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.