Home / 34,768.08-47,963.70-20,423.16

Finding the Fourth Proportional to 34,768.08, 47,963.70 and 20,423.16

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Solution

The fourth proportional to 34,768.08, 47,963.70 and 20,423.16 is: 28,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.08 : 47,963.70 = 20,423.16 : x
  2. Step 2: Convert to fraction form
    34,768.08/47,963.70 = 20,423.16/x
  3. Step 3: Cross multiply
    34,768.08x = 47,963.70 × 20,423.16
  4. Step 4: Simplify right side
    34,768.08x = 979,570,319.29
  5. Step 5: Solve for x
    x = 979,570,319.29/34,768.08
  6. Step 6: Final answer
    x = 28,174.42

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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.