Home / 34,289.39-47,325.53-20,143.01

Finding the Fourth Proportional to 34,289.39, 47,325.53 and 20,143.01

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Solution

The fourth proportional to 34,289.39, 47,325.53 and 20,143.01 is: 27,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.39 : 47,325.53 = 20,143.01 : x
  2. Step 2: Convert to fraction form
    34,289.39/47,325.53 = 20,143.01/x
  3. Step 3: Cross multiply
    34,289.39x = 47,325.53 × 20,143.01
  4. Step 4: Simplify right side
    34,289.39x = 953,278,624.05
  5. Step 5: Solve for x
    x = 953,278,624.05/34,289.39
  6. Step 6: Final answer
    x = 27,800.98

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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.