Home / 35,531.21-49,033.13-19,615.68

Finding the Fourth Proportional to 35,531.21, 49,033.13 and 19,615.68

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Solution

The fourth proportional to 35,531.21, 49,033.13 and 19,615.68 is: 27,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.21 : 49,033.13 = 19,615.68 : x
  2. Step 2: Convert to fraction form
    35,531.21/49,033.13 = 19,615.68/x
  3. Step 3: Cross multiply
    35,531.21x = 49,033.13 × 19,615.68
  4. Step 4: Simplify right side
    35,531.21x = 961,818,089.40
  5. Step 5: Solve for x
    x = 961,818,089.40/35,531.21
  6. Step 6: Final answer
    x = 27,069.67

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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.