Home / 30,852.16-42,576.18-16,705.00

Finding the Fourth Proportional to 30,852.16, 42,576.18 and 16,705.00

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Solution

The fourth proportional to 30,852.16, 42,576.18 and 16,705.00 is: 23,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.16 : 42,576.18 = 16,705.00 : x
  2. Step 2: Convert to fraction form
    30,852.16/42,576.18 = 16,705.00/x
  3. Step 3: Cross multiply
    30,852.16x = 42,576.18 × 16,705.00
  4. Step 4: Simplify right side
    30,852.16x = 711,235,171.44
  5. Step 5: Solve for x
    x = 711,235,171.44/30,852.16
  6. Step 6: Final answer
    x = 23,053.01

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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.