Home / 43,316.79-64,977.48-12,154.47

Finding the Fourth Proportional to 43,316.79, 64,977.48 and 12,154.47

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Solution

The fourth proportional to 43,316.79, 64,977.48 and 12,154.47 is: 18,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.79 : 64,977.48 = 12,154.47 : x
  2. Step 2: Convert to fraction form
    43,316.79/64,977.48 = 12,154.47/x
  3. Step 3: Cross multiply
    43,316.79x = 64,977.48 × 12,154.47
  4. Step 4: Simplify right side
    43,316.79x = 789,766,587.67
  5. Step 5: Solve for x
    x = 789,766,587.67/43,316.79
  6. Step 6: Final answer
    x = 18,232.34

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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.