Home / 51,888.39-71,611.37-31,758.67

Finding the Fourth Proportional to 51,888.39, 71,611.37 and 31,758.67

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Solution

The fourth proportional to 51,888.39, 71,611.37 and 31,758.67 is: 43,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.39 : 71,611.37 = 31,758.67 : x
  2. Step 2: Convert to fraction form
    51,888.39/71,611.37 = 31,758.67/x
  3. Step 3: Cross multiply
    51,888.39x = 71,611.37 × 31,758.67
  4. Step 4: Simplify right side
    51,888.39x = 2,274,281,868.08
  5. Step 5: Solve for x
    x = 2,274,281,868.08/51,888.39
  6. Step 6: Final answer
    x = 43,830.26

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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.