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Finding the Fourth Proportional to 56,329.01, 84,506.84 and 18,378.08

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Solution

The fourth proportional to 56,329.01, 84,506.84 and 18,378.08 is: 27,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,329.01 : 84,506.84 = 18,378.08 : x
  2. Step 2: Convert to fraction form
    56,329.01/84,506.84 = 18,378.08/x
  3. Step 3: Cross multiply
    56,329.01x = 84,506.84 × 18,378.08
  4. Step 4: Simplify right side
    56,329.01x = 1,553,073,466.07
  5. Step 5: Solve for x
    x = 1,553,073,466.07/56,329.01
  6. Step 6: Final answer
    x = 27,571.47

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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.