Home / 33,647.18-46,430.88-20,219

Finding the Fourth Proportional to 33,647.18, 46,430.88 and 20,219

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Solution

The fourth proportional to 33,647.18, 46,430.88 and 20,219 is: 27,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,647.18 : 46,430.88 = 20,219 : x
  2. Step 2: Convert to fraction form
    33,647.18/46,430.88 = 20,219/x
  3. Step 3: Cross multiply
    33,647.18x = 46,430.88 × 20,219
  4. Step 4: Simplify right side
    33,647.18x = 938,785,962.72
  5. Step 5: Solve for x
    x = 938,785,962.72/33,647.18
  6. Step 6: Final answer
    x = 27,900.88

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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.