Home / 47,236.95-70,867.71-20,935.44

Finding the Fourth Proportional to 47,236.95, 70,867.71 and 20,935.44

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Solution

The fourth proportional to 47,236.95, 70,867.71 and 20,935.44 is: 31,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.95 : 70,867.71 = 20,935.44 : x
  2. Step 2: Convert to fraction form
    47,236.95/70,867.71 = 20,935.44/x
  3. Step 3: Cross multiply
    47,236.95x = 70,867.71 × 20,935.44
  4. Step 4: Simplify right side
    47,236.95x = 1,483,646,690.64
  5. Step 5: Solve for x
    x = 1,483,646,690.64/47,236.95
  6. Step 6: Final answer
    x = 31,408.60

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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.