Home / 66,432.31-99,631.44-19,674.25

Finding the Fourth Proportional to 66,432.31, 99,631.44 and 19,674.25

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Solution

The fourth proportional to 66,432.31, 99,631.44 and 19,674.25 is: 29,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.31 : 99,631.44 = 19,674.25 : x
  2. Step 2: Convert to fraction form
    66,432.31/99,631.44 = 19,674.25/x
  3. Step 3: Cross multiply
    66,432.31x = 99,631.44 × 19,674.25
  4. Step 4: Simplify right side
    66,432.31x = 1,960,173,858.42
  5. Step 5: Solve for x
    x = 1,960,173,858.42/66,432.31
  6. Step 6: Final answer
    x = 29,506.33

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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.