Home / 37,900.68-52,301-21,130.44

Finding the Fourth Proportional to 37,900.68, 52,301 and 21,130.44

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Solution

The fourth proportional to 37,900.68, 52,301 and 21,130.44 is: 29,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,900.68 : 52,301 = 21,130.44 : x
  2. Step 2: Convert to fraction form
    37,900.68/52,301 = 21,130.44/x
  3. Step 3: Cross multiply
    37,900.68x = 52,301 × 21,130.44
  4. Step 4: Simplify right side
    37,900.68x = 1,105,143,142.44
  5. Step 5: Solve for x
    x = 1,105,143,142.44/37,900.68
  6. Step 6: Final answer
    x = 29,158.93

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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.