Home / 30,117.42-41,548.41-18,176.94

Finding the Fourth Proportional to 30,117.42, 41,548.41 and 18,176.94

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Solution

The fourth proportional to 30,117.42, 41,548.41 and 18,176.94 is: 25,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.42 : 41,548.41 = 18,176.94 : x
  2. Step 2: Convert to fraction form
    30,117.42/41,548.41 = 18,176.94/x
  3. Step 3: Cross multiply
    30,117.42x = 41,548.41 × 18,176.94
  4. Step 4: Simplify right side
    30,117.42x = 755,222,955.67
  5. Step 5: Solve for x
    x = 755,222,955.67/30,117.42
  6. Step 6: Final answer
    x = 25,075.95

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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.