Home / 30,427.02-41,990.91-16,998.57

Finding the Fourth Proportional to 30,427.02, 41,990.91 and 16,998.57

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Solution

The fourth proportional to 30,427.02, 41,990.91 and 16,998.57 is: 23,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.02 : 41,990.91 = 16,998.57 : x
  2. Step 2: Convert to fraction form
    30,427.02/41,990.91 = 16,998.57/x
  3. Step 3: Cross multiply
    30,427.02x = 41,990.91 × 16,998.57
  4. Step 4: Simplify right side
    30,427.02x = 713,785,423.00
  5. Step 5: Solve for x
    x = 713,785,423.00/30,427.02
  6. Step 6: Final answer
    x = 23,458.93

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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.