Home / 34,052.81-47,014.83-21,958.70

Finding the Fourth Proportional to 34,052.81, 47,014.83 and 21,958.70

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Solution

The fourth proportional to 34,052.81, 47,014.83 and 21,958.70 is: 30,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,052.81 : 47,014.83 = 21,958.70 : x
  2. Step 2: Convert to fraction form
    34,052.81/47,014.83 = 21,958.70/x
  3. Step 3: Cross multiply
    34,052.81x = 47,014.83 × 21,958.70
  4. Step 4: Simplify right side
    34,052.81x = 1,032,384,312.45
  5. Step 5: Solve for x
    x = 1,032,384,312.45/34,052.81
  6. Step 6: Final answer
    x = 30,317.16

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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.