Home / 44,447.79-66,682.01-12,856.57

Finding the Fourth Proportional to 44,447.79, 66,682.01 and 12,856.57

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Solution

The fourth proportional to 44,447.79, 66,682.01 and 12,856.57 is: 19,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,447.79 : 66,682.01 = 12,856.57 : x
  2. Step 2: Convert to fraction form
    44,447.79/66,682.01 = 12,856.57/x
  3. Step 3: Cross multiply
    44,447.79x = 66,682.01 × 12,856.57
  4. Step 4: Simplify right side
    44,447.79x = 857,301,865.02
  5. Step 5: Solve for x
    x = 857,301,865.02/44,447.79
  6. Step 6: Final answer
    x = 19,287.84

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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.