Home / 34,299.86-47,318.78-20,146.32

Finding the Fourth Proportional to 34,299.86, 47,318.78 and 20,146.32

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Solution

The fourth proportional to 34,299.86, 47,318.78 and 20,146.32 is: 27,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,299.86 : 47,318.78 = 20,146.32 : x
  2. Step 2: Convert to fraction form
    34,299.86/47,318.78 = 20,146.32/x
  3. Step 3: Cross multiply
    34,299.86x = 47,318.78 × 20,146.32
  4. Step 4: Simplify right side
    34,299.86x = 953,299,334.26
  5. Step 5: Solve for x
    x = 953,299,334.26/34,299.86
  6. Step 6: Final answer
    x = 27,793.10

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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.