Home / 48,644.09-72,969.89-18,672.74

Finding the Fourth Proportional to 48,644.09, 72,969.89 and 18,672.74

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Solution

The fourth proportional to 48,644.09, 72,969.89 and 18,672.74 is: 28,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,644.09 : 72,969.89 = 18,672.74 : x
  2. Step 2: Convert to fraction form
    48,644.09/72,969.89 = 18,672.74/x
  3. Step 3: Cross multiply
    48,644.09x = 72,969.89 × 18,672.74
  4. Step 4: Simplify right side
    48,644.09x = 1,362,547,325.59
  5. Step 5: Solve for x
    x = 1,362,547,325.59/48,644.09
  6. Step 6: Final answer
    x = 28,010.54

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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.