Home / 34,143.89-47,118.92-19,804.68

Finding the Fourth Proportional to 34,143.89, 47,118.92 and 19,804.68

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Solution

The fourth proportional to 34,143.89, 47,118.92 and 19,804.68 is: 27,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.89 : 47,118.92 = 19,804.68 : x
  2. Step 2: Convert to fraction form
    34,143.89/47,118.92 = 19,804.68/x
  3. Step 3: Cross multiply
    34,143.89x = 47,118.92 × 19,804.68
  4. Step 4: Simplify right side
    34,143.89x = 933,175,284.49
  5. Step 5: Solve for x
    x = 933,175,284.49/34,143.89
  6. Step 6: Final answer
    x = 27,330.67

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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.