Home / 30,621.65-45,852.28-20,058.44

Finding the Fourth Proportional to 30,621.65, 45,852.28 and 20,058.44

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Solution

The fourth proportional to 30,621.65, 45,852.28 and 20,058.44 is: 30,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.65 : 45,852.28 = 20,058.44 : x
  2. Step 2: Convert to fraction form
    30,621.65/45,852.28 = 20,058.44/x
  3. Step 3: Cross multiply
    30,621.65x = 45,852.28 × 20,058.44
  4. Step 4: Simplify right side
    30,621.65x = 919,725,175.00
  5. Step 5: Solve for x
    x = 919,725,175.00/30,621.65
  6. Step 6: Final answer
    x = 30,035.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.