Home / 20,136.02-30,201.70-5,346.10

Finding the Fourth Proportional to 20,136.02, 30,201.70 and 5,346.10

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Solution

The fourth proportional to 20,136.02, 30,201.70 and 5,346.10 is: 8,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.02 : 30,201.70 = 5,346.10 : x
  2. Step 2: Convert to fraction form
    20,136.02/30,201.70 = 5,346.10/x
  3. Step 3: Cross multiply
    20,136.02x = 30,201.70 × 5,346.10
  4. Step 4: Simplify right side
    20,136.02x = 161,461,308.37
  5. Step 5: Solve for x
    x = 161,461,308.37/20,136.02
  6. Step 6: Final answer
    x = 8,018.53

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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.