Home / 42,317.98-63,464.19-12,727.96

Finding the Fourth Proportional to 42,317.98, 63,464.19 and 12,727.96

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Solution

The fourth proportional to 42,317.98, 63,464.19 and 12,727.96 is: 19,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,317.98 : 63,464.19 = 12,727.96 : x
  2. Step 2: Convert to fraction form
    42,317.98/63,464.19 = 12,727.96/x
  3. Step 3: Cross multiply
    42,317.98x = 63,464.19 × 12,727.96
  4. Step 4: Simplify right side
    42,317.98x = 807,769,671.75
  5. Step 5: Solve for x
    x = 807,769,671.75/42,317.98
  6. Step 6: Final answer
    x = 19,088.10

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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.