Home / 34,723.43-47,918.40-18,807.88

Finding the Fourth Proportional to 34,723.43, 47,918.40 and 18,807.88

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Solution

The fourth proportional to 34,723.43, 47,918.40 and 18,807.88 is: 25,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.43 : 47,918.40 = 18,807.88 : x
  2. Step 2: Convert to fraction form
    34,723.43/47,918.40 = 18,807.88/x
  3. Step 3: Cross multiply
    34,723.43x = 47,918.40 × 18,807.88
  4. Step 4: Simplify right side
    34,723.43x = 901,243,516.99
  5. Step 5: Solve for x
    x = 901,243,516.99/34,723.43
  6. Step 6: Final answer
    x = 25,954.91

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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.