Home / 35,820.02-53,720.62-13,621.37

Finding the Fourth Proportional to 35,820.02, 53,720.62 and 13,621.37

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Solution

The fourth proportional to 35,820.02, 53,720.62 and 13,621.37 is: 20,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.02 : 53,720.62 = 13,621.37 : x
  2. Step 2: Convert to fraction form
    35,820.02/53,720.62 = 13,621.37/x
  3. Step 3: Cross multiply
    35,820.02x = 53,720.62 × 13,621.37
  4. Step 4: Simplify right side
    35,820.02x = 731,748,138.99
  5. Step 5: Solve for x
    x = 731,748,138.99/35,820.02
  6. Step 6: Final answer
    x = 20,428.47

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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.