Home / 37,271.10-51,421.70-21,136.41

Finding the Fourth Proportional to 37,271.10, 51,421.70 and 21,136.41

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Solution

The fourth proportional to 37,271.10, 51,421.70 and 21,136.41 is: 29,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,271.10 : 51,421.70 = 21,136.41 : x
  2. Step 2: Convert to fraction form
    37,271.10/51,421.70 = 21,136.41/x
  3. Step 3: Cross multiply
    37,271.10x = 51,421.70 × 21,136.41
  4. Step 4: Simplify right side
    37,271.10x = 1,086,870,186.94
  5. Step 5: Solve for x
    x = 1,086,870,186.94/37,271.10
  6. Step 6: Final answer
    x = 29,161.20

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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.