Home / 33,829.24-46,688-19,689.88

Finding the Fourth Proportional to 33,829.24, 46,688 and 19,689.88

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Solution

The fourth proportional to 33,829.24, 46,688 and 19,689.88 is: 27,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,829.24 : 46,688 = 19,689.88 : x
  2. Step 2: Convert to fraction form
    33,829.24/46,688 = 19,689.88/x
  3. Step 3: Cross multiply
    33,829.24x = 46,688 × 19,689.88
  4. Step 4: Simplify right side
    33,829.24x = 919,281,117.44
  5. Step 5: Solve for x
    x = 919,281,117.44/33,829.24
  6. Step 6: Final answer
    x = 27,174.16

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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.