Home / 51,771.57-77,659.08-14,328.51

Finding the Fourth Proportional to 51,771.57, 77,659.08 and 14,328.51

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Solution

The fourth proportional to 51,771.57, 77,659.08 and 14,328.51 is: 21,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.57 : 77,659.08 = 14,328.51 : x
  2. Step 2: Convert to fraction form
    51,771.57/77,659.08 = 14,328.51/x
  3. Step 3: Cross multiply
    51,771.57x = 77,659.08 × 14,328.51
  4. Step 4: Simplify right side
    51,771.57x = 1,112,738,904.37
  5. Step 5: Solve for x
    x = 1,112,738,904.37/51,771.57
  6. Step 6: Final answer
    x = 21,493.24

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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.