Home / 35,130.21-52,691.88-19,330.03

Finding the Fourth Proportional to 35,130.21, 52,691.88 and 19,330.03

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Solution

The fourth proportional to 35,130.21, 52,691.88 and 19,330.03 is: 28,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.21 : 52,691.88 = 19,330.03 : x
  2. Step 2: Convert to fraction form
    35,130.21/52,691.88 = 19,330.03/x
  3. Step 3: Cross multiply
    35,130.21x = 52,691.88 × 19,330.03
  4. Step 4: Simplify right side
    35,130.21x = 1,018,535,621.16
  5. Step 5: Solve for x
    x = 1,018,535,621.16/35,130.21
  6. Step 6: Final answer
    x = 28,993.15

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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.