Home / 44,111.79-66,113.01-20,689.02

Finding the Fourth Proportional to 44,111.79, 66,113.01 and 20,689.02

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Solution

The fourth proportional to 44,111.79, 66,113.01 and 20,689.02 is: 31,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,111.79 : 66,113.01 = 20,689.02 : x
  2. Step 2: Convert to fraction form
    44,111.79/66,113.01 = 20,689.02/x
  3. Step 3: Cross multiply
    44,111.79x = 66,113.01 × 20,689.02
  4. Step 4: Simplify right side
    44,111.79x = 1,367,813,386.15
  5. Step 5: Solve for x
    x = 1,367,813,386.15/44,111.79
  6. Step 6: Final answer
    x = 31,007.89

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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.