Home / 34,240.77-51,365.88-12,900.51

Finding the Fourth Proportional to 34,240.77, 51,365.88 and 12,900.51

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Solution

The fourth proportional to 34,240.77, 51,365.88 and 12,900.51 is: 19,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240.77 : 51,365.88 = 12,900.51 : x
  2. Step 2: Convert to fraction form
    34,240.77/51,365.88 = 12,900.51/x
  3. Step 3: Cross multiply
    34,240.77x = 51,365.88 × 12,900.51
  4. Step 4: Simplify right side
    34,240.77x = 662,646,048.60
  5. Step 5: Solve for x
    x = 662,646,048.60/34,240.77
  6. Step 6: Final answer
    x = 19,352.55

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1.5x scale

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.