Home / 34,307.72-47,333.94-20,161.16

Finding the Fourth Proportional to 34,307.72, 47,333.94 and 20,161.16

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Solution

The fourth proportional to 34,307.72, 47,333.94 and 20,161.16 is: 27,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.72 : 47,333.94 = 20,161.16 : x
  2. Step 2: Convert to fraction form
    34,307.72/47,333.94 = 20,161.16/x
  3. Step 3: Cross multiply
    34,307.72x = 47,333.94 × 20,161.16
  4. Step 4: Simplify right side
    34,307.72x = 954,307,137.77
  5. Step 5: Solve for x
    x = 954,307,137.77/34,307.72
  6. Step 6: Final answer
    x = 27,816.10

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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.