Home / 34,723.36-47,918.46-18,808

Finding the Fourth Proportional to 34,723.36, 47,918.46 and 18,808

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Solution

The fourth proportional to 34,723.36, 47,918.46 and 18,808 is: 25,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.36 : 47,918.46 = 18,808 : x
  2. Step 2: Convert to fraction form
    34,723.36/47,918.46 = 18,808/x
  3. Step 3: Cross multiply
    34,723.36x = 47,918.46 × 18,808
  4. Step 4: Simplify right side
    34,723.36x = 901,250,395.68
  5. Step 5: Solve for x
    x = 901,250,395.68/34,723.36
  6. Step 6: Final answer
    x = 25,955.16

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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.