Home / 35,304.56-48,720.36-19,390.04

Finding the Fourth Proportional to 35,304.56, 48,720.36 and 19,390.04

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Solution

The fourth proportional to 35,304.56, 48,720.36 and 19,390.04 is: 26,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.56 : 48,720.36 = 19,390.04 : x
  2. Step 2: Convert to fraction form
    35,304.56/48,720.36 = 19,390.04/x
  3. Step 3: Cross multiply
    35,304.56x = 48,720.36 × 19,390.04
  4. Step 4: Simplify right side
    35,304.56x = 944,689,729.21
  5. Step 5: Solve for x
    x = 944,689,729.21/35,304.56
  6. Step 6: Final answer
    x = 26,758.29

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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.