Home / 34,485.53-47,588.50-20,146.69

Finding the Fourth Proportional to 34,485.53, 47,588.50 and 20,146.69

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Solution

The fourth proportional to 34,485.53, 47,588.50 and 20,146.69 is: 27,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.53 : 47,588.50 = 20,146.69 : x
  2. Step 2: Convert to fraction form
    34,485.53/47,588.50 = 20,146.69/x
  3. Step 3: Cross multiply
    34,485.53x = 47,588.50 × 20,146.69
  4. Step 4: Simplify right side
    34,485.53x = 958,750,841.73
  5. Step 5: Solve for x
    x = 958,750,841.73/34,485.53
  6. Step 6: Final answer
    x = 27,801.54

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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.