Home / 34,087.36-47,039.52-18,980.80

Finding the Fourth Proportional to 34,087.36, 47,039.52 and 18,980.80

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Solution

The fourth proportional to 34,087.36, 47,039.52 and 18,980.80 is: 26,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.36 : 47,039.52 = 18,980.80 : x
  2. Step 2: Convert to fraction form
    34,087.36/47,039.52 = 18,980.80/x
  3. Step 3: Cross multiply
    34,087.36x = 47,039.52 × 18,980.80
  4. Step 4: Simplify right side
    34,087.36x = 892,847,721.22
  5. Step 5: Solve for x
    x = 892,847,721.22/34,087.36
  6. Step 6: Final answer
    x = 26,192.93

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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.