Home / 51,136.80-70,561.44-29,912.04

Finding the Fourth Proportional to 51,136.80, 70,561.44 and 29,912.04

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Solution

The fourth proportional to 51,136.80, 70,561.44 and 29,912.04 is: 41,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.80 : 70,561.44 = 29,912.04 : x
  2. Step 2: Convert to fraction form
    51,136.80/70,561.44 = 29,912.04/x
  3. Step 3: Cross multiply
    51,136.80x = 70,561.44 × 29,912.04
  4. Step 4: Simplify right side
    51,136.80x = 2,110,636,615.74
  5. Step 5: Solve for x
    x = 2,110,636,615.74/51,136.80
  6. Step 6: Final answer
    x = 41,274.32

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1.5x scale

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.