Home / 20,522.07-30,634.70-18,030.94

Finding the Fourth Proportional to 20,522.07, 30,634.70 and 18,030.94

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Solution

The fourth proportional to 20,522.07, 30,634.70 and 18,030.94 is: 26,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.07 : 30,634.70 = 18,030.94 : x
  2. Step 2: Convert to fraction form
    20,522.07/30,634.70 = 18,030.94/x
  3. Step 3: Cross multiply
    20,522.07x = 30,634.70 × 18,030.94
  4. Step 4: Simplify right side
    20,522.07x = 552,372,437.62
  5. Step 5: Solve for x
    x = 552,372,437.62/20,522.07
  6. Step 6: Final answer
    x = 26,916.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.