Home / 48,091.44-72,136.08-21,777.12

Finding the Fourth Proportional to 48,091.44, 72,136.08 and 21,777.12

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Solution

The fourth proportional to 48,091.44, 72,136.08 and 21,777.12 is: 32,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,091.44 : 72,136.08 = 21,777.12 : x
  2. Step 2: Convert to fraction form
    48,091.44/72,136.08 = 21,777.12/x
  3. Step 3: Cross multiply
    48,091.44x = 72,136.08 × 21,777.12
  4. Step 4: Simplify right side
    48,091.44x = 1,570,916,070.49
  5. Step 5: Solve for x
    x = 1,570,916,070.49/48,091.44
  6. Step 6: Final answer
    x = 32,665.19

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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.