Home / 29,820.42-41,136.53-18,486.23

Finding the Fourth Proportional to 29,820.42, 41,136.53 and 18,486.23

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Solution

The fourth proportional to 29,820.42, 41,136.53 and 18,486.23 is: 25,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.42 : 41,136.53 = 18,486.23 : x
  2. Step 2: Convert to fraction form
    29,820.42/41,136.53 = 18,486.23/x
  3. Step 3: Cross multiply
    29,820.42x = 41,136.53 × 18,486.23
  4. Step 4: Simplify right side
    29,820.42x = 760,459,056.87
  5. Step 5: Solve for x
    x = 760,459,056.87/29,820.42
  6. Step 6: Final answer
    x = 25,501.29

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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.