Home / 43,267.18-64,878.15-19,554.34

Finding the Fourth Proportional to 43,267.18, 64,878.15 and 19,554.34

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Solution

The fourth proportional to 43,267.18, 64,878.15 and 19,554.34 is: 29,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.18 : 64,878.15 = 19,554.34 : x
  2. Step 2: Convert to fraction form
    43,267.18/64,878.15 = 19,554.34/x
  3. Step 3: Cross multiply
    43,267.18x = 64,878.15 × 19,554.34
  4. Step 4: Simplify right side
    43,267.18x = 1,268,649,403.67
  5. Step 5: Solve for x
    x = 1,268,649,403.67/43,267.18
  6. Step 6: Final answer
    x = 29,321.29

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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.