Home / 47,121.21-65,026.40-25,900.02

Finding the Fourth Proportional to 47,121.21, 65,026.40 and 25,900.02

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Solution

The fourth proportional to 47,121.21, 65,026.40 and 25,900.02 is: 35,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.21 : 65,026.40 = 25,900.02 : x
  2. Step 2: Convert to fraction form
    47,121.21/65,026.40 = 25,900.02/x
  3. Step 3: Cross multiply
    47,121.21x = 65,026.40 × 25,900.02
  4. Step 4: Simplify right side
    47,121.21x = 1,684,184,931.03
  5. Step 5: Solve for x
    x = 1,684,184,931.03/47,121.21
  6. Step 6: Final answer
    x = 35,741.55

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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.