Home / 30,315.28-41,835.13-17,570.94

Finding the Fourth Proportional to 30,315.28, 41,835.13 and 17,570.94

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Solution

The fourth proportional to 30,315.28, 41,835.13 and 17,570.94 is: 24,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.28 : 41,835.13 = 17,570.94 : x
  2. Step 2: Convert to fraction form
    30,315.28/41,835.13 = 17,570.94/x
  3. Step 3: Cross multiply
    30,315.28x = 41,835.13 × 17,570.94
  4. Step 4: Simplify right side
    30,315.28x = 735,082,515.19
  5. Step 5: Solve for x
    x = 735,082,515.19/30,315.28
  6. Step 6: Final answer
    x = 24,247.92

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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.