Home / 47,256.88-65,185.65-28,123.81

Finding the Fourth Proportional to 47,256.88, 65,185.65 and 28,123.81

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Solution

The fourth proportional to 47,256.88, 65,185.65 and 28,123.81 is: 38,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256.88 : 65,185.65 = 28,123.81 : x
  2. Step 2: Convert to fraction form
    47,256.88/65,185.65 = 28,123.81/x
  3. Step 3: Cross multiply
    47,256.88x = 65,185.65 × 28,123.81
  4. Step 4: Simplify right side
    47,256.88x = 1,833,268,835.33
  5. Step 5: Solve for x
    x = 1,833,268,835.33/47,256.88
  6. Step 6: Final answer
    x = 38,793.69

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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.