Home / 30,130.40-41,580.26-16,701.89

Finding the Fourth Proportional to 30,130.40, 41,580.26 and 16,701.89

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Solution

The fourth proportional to 30,130.40, 41,580.26 and 16,701.89 is: 23,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.40 : 41,580.26 = 16,701.89 : x
  2. Step 2: Convert to fraction form
    30,130.40/41,580.26 = 16,701.89/x
  3. Step 3: Cross multiply
    30,130.40x = 41,580.26 × 16,701.89
  4. Step 4: Simplify right side
    30,130.40x = 694,468,762.54
  5. Step 5: Solve for x
    x = 694,468,762.54/30,130.40
  6. Step 6: Final answer
    x = 23,048.77

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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.