Home / 45,841.02-68,761.59-12,561.38

Finding the Fourth Proportional to 45,841.02, 68,761.59 and 12,561.38

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Solution

The fourth proportional to 45,841.02, 68,761.59 and 12,561.38 is: 18,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,841.02 : 68,761.59 = 12,561.38 : x
  2. Step 2: Convert to fraction form
    45,841.02/68,761.59 = 12,561.38/x
  3. Step 3: Cross multiply
    45,841.02x = 68,761.59 × 12,561.38
  4. Step 4: Simplify right side
    45,841.02x = 863,740,117.59
  5. Step 5: Solve for x
    x = 863,740,117.59/45,841.02
  6. Step 6: Final answer
    x = 18,842.08

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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.