Home / 30,233.95-41,711.22-19,478.01

Finding the Fourth Proportional to 30,233.95, 41,711.22 and 19,478.01

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Solution

The fourth proportional to 30,233.95, 41,711.22 and 19,478.01 is: 26,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.95 : 41,711.22 = 19,478.01 : x
  2. Step 2: Convert to fraction form
    30,233.95/41,711.22 = 19,478.01/x
  3. Step 3: Cross multiply
    30,233.95x = 41,711.22 × 19,478.01
  4. Step 4: Simplify right side
    30,233.95x = 812,451,560.27
  5. Step 5: Solve for x
    x = 812,451,560.27/30,233.95
  6. Step 6: Final answer
    x = 26,872.16

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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.