Home / 47,894.42-66,136.02-30,020.16

Finding the Fourth Proportional to 47,894.42, 66,136.02 and 30,020.16

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Solution

The fourth proportional to 47,894.42, 66,136.02 and 30,020.16 is: 41,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894.42 : 66,136.02 = 30,020.16 : x
  2. Step 2: Convert to fraction form
    47,894.42/66,136.02 = 30,020.16/x
  3. Step 3: Cross multiply
    47,894.42x = 66,136.02 × 30,020.16
  4. Step 4: Simplify right side
    47,894.42x = 1,985,413,902.16
  5. Step 5: Solve for x
    x = 1,985,413,902.16/47,894.42
  6. Step 6: Final answer
    x = 41,453.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.