Home / 54,283.70-81,433.65-19,220.60

Finding the Fourth Proportional to 54,283.70, 81,433.65 and 19,220.60

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Solution

The fourth proportional to 54,283.70, 81,433.65 and 19,220.60 is: 28,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.70 : 81,433.65 = 19,220.60 : x
  2. Step 2: Convert to fraction form
    54,283.70/81,433.65 = 19,220.60/x
  3. Step 3: Cross multiply
    54,283.70x = 81,433.65 × 19,220.60
  4. Step 4: Simplify right side
    54,283.70x = 1,565,203,613.19
  5. Step 5: Solve for x
    x = 1,565,203,613.19/54,283.70
  6. Step 6: Final answer
    x = 28,833.77

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1.5x scale

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.