Home / 45,928.12-68,899.40-19,633

Finding the Fourth Proportional to 45,928.12, 68,899.40 and 19,633

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Solution

The fourth proportional to 45,928.12, 68,899.40 and 19,633 is: 29,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.12 : 68,899.40 = 19,633 : x
  2. Step 2: Convert to fraction form
    45,928.12/68,899.40 = 19,633/x
  3. Step 3: Cross multiply
    45,928.12x = 68,899.40 × 19,633
  4. Step 4: Simplify right side
    45,928.12x = 1,352,701,920.20
  5. Step 5: Solve for x
    x = 1,352,701,920.20/45,928.12
  6. Step 6: Final answer
    x = 29,452.59

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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.