Home / 42,696.70-64,045.02-11,531.92

Finding the Fourth Proportional to 42,696.70, 64,045.02 and 11,531.92

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Solution

The fourth proportional to 42,696.70, 64,045.02 and 11,531.92 is: 17,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.70 : 64,045.02 = 11,531.92 : x
  2. Step 2: Convert to fraction form
    42,696.70/64,045.02 = 11,531.92/x
  3. Step 3: Cross multiply
    42,696.70x = 64,045.02 × 11,531.92
  4. Step 4: Simplify right side
    42,696.70x = 738,562,047.04
  5. Step 5: Solve for x
    x = 738,562,047.04/42,696.70
  6. Step 6: Final answer
    x = 17,297.87

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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.