Home / 47,378.21-65,380.25-26,157.43

Finding the Fourth Proportional to 47,378.21, 65,380.25 and 26,157.43

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Solution

The fourth proportional to 47,378.21, 65,380.25 and 26,157.43 is: 36,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.21 : 65,380.25 = 26,157.43 : x
  2. Step 2: Convert to fraction form
    47,378.21/65,380.25 = 26,157.43/x
  3. Step 3: Cross multiply
    47,378.21x = 65,380.25 × 26,157.43
  4. Step 4: Simplify right side
    47,378.21x = 1,710,178,855.07
  5. Step 5: Solve for x
    x = 1,710,178,855.07/47,378.21
  6. Step 6: Final answer
    x = 36,096.32

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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.