Home / 39,566.81-54,604.02-21,662.57

Finding the Fourth Proportional to 39,566.81, 54,604.02 and 21,662.57

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Solution

The fourth proportional to 39,566.81, 54,604.02 and 21,662.57 is: 29,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,566.81 : 54,604.02 = 21,662.57 : x
  2. Step 2: Convert to fraction form
    39,566.81/54,604.02 = 21,662.57/x
  3. Step 3: Cross multiply
    39,566.81x = 54,604.02 × 21,662.57
  4. Step 4: Simplify right side
    39,566.81x = 1,182,863,623.28
  5. Step 5: Solve for x
    x = 1,182,863,623.28/39,566.81
  6. Step 6: Final answer
    x = 29,895.35

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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.