Home / 30,056.81-41,477.40-16,628.09

Finding the Fourth Proportional to 30,056.81, 41,477.40 and 16,628.09

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Solution

The fourth proportional to 30,056.81, 41,477.40 and 16,628.09 is: 22,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.81 : 41,477.40 = 16,628.09 : x
  2. Step 2: Convert to fraction form
    30,056.81/41,477.40 = 16,628.09/x
  3. Step 3: Cross multiply
    30,056.81x = 41,477.40 × 16,628.09
  4. Step 4: Simplify right side
    30,056.81x = 689,689,732.78
  5. Step 5: Solve for x
    x = 689,689,732.78/30,056.81
  6. Step 6: Final answer
    x = 22,946.21

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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.