Home / 42,508.37-63,766.13-12,926.48

Finding the Fourth Proportional to 42,508.37, 63,766.13 and 12,926.48

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Solution

The fourth proportional to 42,508.37, 63,766.13 and 12,926.48 is: 19,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508.37 : 63,766.13 = 12,926.48 : x
  2. Step 2: Convert to fraction form
    42,508.37/63,766.13 = 12,926.48/x
  3. Step 3: Cross multiply
    42,508.37x = 63,766.13 × 12,926.48
  4. Step 4: Simplify right side
    42,508.37x = 824,271,220.66
  5. Step 5: Solve for x
    x = 824,271,220.66/42,508.37
  6. Step 6: Final answer
    x = 19,390.80

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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.