Home / 30,368.13-41,934.39-19,057.23

Finding the Fourth Proportional to 30,368.13, 41,934.39 and 19,057.23

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Solution

The fourth proportional to 30,368.13, 41,934.39 and 19,057.23 is: 26,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.13 : 41,934.39 = 19,057.23 : x
  2. Step 2: Convert to fraction form
    30,368.13/41,934.39 = 19,057.23/x
  3. Step 3: Cross multiply
    30,368.13x = 41,934.39 × 19,057.23
  4. Step 4: Simplify right side
    30,368.13x = 799,153,315.14
  5. Step 5: Solve for x
    x = 799,153,315.14/30,368.13
  6. Step 6: Final answer
    x = 26,315.53

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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.