Home / 30,005.03-41,406.80-16,576.28

Finding the Fourth Proportional to 30,005.03, 41,406.80 and 16,576.28

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Solution

The fourth proportional to 30,005.03, 41,406.80 and 16,576.28 is: 22,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.03 : 41,406.80 = 16,576.28 : x
  2. Step 2: Convert to fraction form
    30,005.03/41,406.80 = 16,576.28/x
  3. Step 3: Cross multiply
    30,005.03x = 41,406.80 × 16,576.28
  4. Step 4: Simplify right side
    30,005.03x = 686,370,710.70
  5. Step 5: Solve for x
    x = 686,370,710.70/30,005.03
  6. Step 6: Final answer
    x = 22,875.19

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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.