Home / 42,053.75-63,069.86-12,464.66

Finding the Fourth Proportional to 42,053.75, 63,069.86 and 12,464.66

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Solution

The fourth proportional to 42,053.75, 63,069.86 and 12,464.66 is: 18,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.75 : 63,069.86 = 12,464.66 : x
  2. Step 2: Convert to fraction form
    42,053.75/63,069.86 = 12,464.66/x
  3. Step 3: Cross multiply
    42,053.75x = 63,069.86 × 12,464.66
  4. Step 4: Simplify right side
    42,053.75x = 786,144,379.26
  5. Step 5: Solve for x
    x = 786,144,379.26/42,053.75
  6. Step 6: Final answer
    x = 18,693.80

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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.