Home / 30,386.88-41,933.84-17,811.63

Finding the Fourth Proportional to 30,386.88, 41,933.84 and 17,811.63

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Solution

The fourth proportional to 30,386.88, 41,933.84 and 17,811.63 is: 24,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.88 : 41,933.84 = 17,811.63 : x
  2. Step 2: Convert to fraction form
    30,386.88/41,933.84 = 17,811.63/x
  3. Step 3: Cross multiply
    30,386.88x = 41,933.84 × 17,811.63
  4. Step 4: Simplify right side
    30,386.88x = 746,909,953.50
  5. Step 5: Solve for x
    x = 746,909,953.50/30,386.88
  6. Step 6: Final answer
    x = 24,580.01

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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.