Home / 47,111.56-65,014-25,890.86

Finding the Fourth Proportional to 47,111.56, 65,014 and 25,890.86

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Solution

The fourth proportional to 47,111.56, 65,014 and 25,890.86 is: 35,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.56 : 65,014 = 25,890.86 : x
  2. Step 2: Convert to fraction form
    47,111.56/65,014 = 25,890.86/x
  3. Step 3: Cross multiply
    47,111.56x = 65,014 × 25,890.86
  4. Step 4: Simplify right side
    47,111.56x = 1,683,268,372.04
  5. Step 5: Solve for x
    x = 1,683,268,372.04/47,111.56
  6. Step 6: Final answer
    x = 35,729.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.