Home / 48,115.80-72,172.08-21,802.14

Finding the Fourth Proportional to 48,115.80, 72,172.08 and 21,802.14

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Solution

The fourth proportional to 48,115.80, 72,172.08 and 21,802.14 is: 32,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.80 : 72,172.08 = 21,802.14 : x
  2. Step 2: Convert to fraction form
    48,115.80/72,172.08 = 21,802.14/x
  3. Step 3: Cross multiply
    48,115.80x = 72,172.08 × 21,802.14
  4. Step 4: Simplify right side
    48,115.80x = 1,573,505,792.25
  5. Step 5: Solve for x
    x = 1,573,505,792.25/48,115.80
  6. Step 6: Final answer
    x = 32,702.48

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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.