Home / 45,411.73-62,634.67-31,269.13

Finding the Fourth Proportional to 45,411.73, 62,634.67 and 31,269.13

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Solution

The fourth proportional to 45,411.73, 62,634.67 and 31,269.13 is: 43,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.73 : 62,634.67 = 31,269.13 : x
  2. Step 2: Convert to fraction form
    45,411.73/62,634.67 = 31,269.13/x
  3. Step 3: Cross multiply
    45,411.73x = 62,634.67 × 31,269.13
  4. Step 4: Simplify right side
    45,411.73x = 1,958,531,638.74
  5. Step 5: Solve for x
    x = 1,958,531,638.74/45,411.73
  6. Step 6: Final answer
    x = 43,128.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.