Home / 34,071.75-47,019.93-18,758.76

Finding the Fourth Proportional to 34,071.75, 47,019.93 and 18,758.76

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Solution

The fourth proportional to 34,071.75, 47,019.93 and 18,758.76 is: 25,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.75 : 47,019.93 = 18,758.76 : x
  2. Step 2: Convert to fraction form
    34,071.75/47,019.93 = 18,758.76/x
  3. Step 3: Cross multiply
    34,071.75x = 47,019.93 × 18,758.76
  4. Step 4: Simplify right side
    34,071.75x = 882,035,811.29
  5. Step 5: Solve for x
    x = 882,035,811.29/34,071.75
  6. Step 6: Final answer
    x = 25,887.60

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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.