Home / 30,771.49-42,465.54-17,341.99

Finding the Fourth Proportional to 30,771.49, 42,465.54 and 17,341.99

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Solution

The fourth proportional to 30,771.49, 42,465.54 and 17,341.99 is: 23,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.49 : 42,465.54 = 17,341.99 : x
  2. Step 2: Convert to fraction form
    30,771.49/42,465.54 = 17,341.99/x
  3. Step 3: Cross multiply
    30,771.49x = 42,465.54 × 17,341.99
  4. Step 4: Simplify right side
    30,771.49x = 736,436,970.02
  5. Step 5: Solve for x
    x = 736,436,970.02/30,771.49
  6. Step 6: Final answer
    x = 23,932.44

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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.