Home / 42,002.10-63,003.15-10,837.35

Finding the Fourth Proportional to 42,002.10, 63,003.15 and 10,837.35

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Solution

The fourth proportional to 42,002.10, 63,003.15 and 10,837.35 is: 16,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.10 : 63,003.15 = 10,837.35 : x
  2. Step 2: Convert to fraction form
    42,002.10/63,003.15 = 10,837.35/x
  3. Step 3: Cross multiply
    42,002.10x = 63,003.15 × 10,837.35
  4. Step 4: Simplify right side
    42,002.10x = 682,787,187.65
  5. Step 5: Solve for x
    x = 682,787,187.65/42,002.10
  6. Step 6: Final answer
    x = 16,256.03

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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.