Home / 42,584.80-63,886.55-12,596.69

Finding the Fourth Proportional to 42,584.80, 63,886.55 and 12,596.69

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Solution

The fourth proportional to 42,584.80, 63,886.55 and 12,596.69 is: 18,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,584.80 : 63,886.55 = 12,596.69 : x
  2. Step 2: Convert to fraction form
    42,584.80/63,886.55 = 12,596.69/x
  3. Step 3: Cross multiply
    42,584.80x = 63,886.55 × 12,596.69
  4. Step 4: Simplify right side
    42,584.80x = 804,759,162.25
  5. Step 5: Solve for x
    x = 804,759,162.25/42,584.80
  6. Step 6: Final answer
    x = 18,897.80

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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.