Home / 30,224.21-41,681.50-18,890.08

Finding the Fourth Proportional to 30,224.21, 41,681.50 and 18,890.08

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Solution

The fourth proportional to 30,224.21, 41,681.50 and 18,890.08 is: 26,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.21 : 41,681.50 = 18,890.08 : x
  2. Step 2: Convert to fraction form
    30,224.21/41,681.50 = 18,890.08/x
  3. Step 3: Cross multiply
    30,224.21x = 41,681.50 × 18,890.08
  4. Step 4: Simplify right side
    30,224.21x = 787,366,718.09
  5. Step 5: Solve for x
    x = 787,366,718.09/30,224.21
  6. Step 6: Final answer
    x = 26,050.87

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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.