Home / 34,087.99-47,041.31-18,980.83

Finding the Fourth Proportional to 34,087.99, 47,041.31 and 18,980.83

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Solution

The fourth proportional to 34,087.99, 47,041.31 and 18,980.83 is: 26,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.99 : 47,041.31 = 18,980.83 : x
  2. Step 2: Convert to fraction form
    34,087.99/47,041.31 = 18,980.83/x
  3. Step 3: Cross multiply
    34,087.99x = 47,041.31 × 18,980.83
  4. Step 4: Simplify right side
    34,087.99x = 892,883,107.57
  5. Step 5: Solve for x
    x = 892,883,107.57/34,087.99
  6. Step 6: Final answer
    x = 26,193.48

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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.