Home / 30,112.02-41,543.73-18,166.50

Finding the Fourth Proportional to 30,112.02, 41,543.73 and 18,166.50

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Solution

The fourth proportional to 30,112.02, 41,543.73 and 18,166.50 is: 25,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.02 : 41,543.73 = 18,166.50 : x
  2. Step 2: Convert to fraction form
    30,112.02/41,543.73 = 18,166.50/x
  3. Step 3: Cross multiply
    30,112.02x = 41,543.73 × 18,166.50
  4. Step 4: Simplify right side
    30,112.02x = 754,704,171.05
  5. Step 5: Solve for x
    x = 754,704,171.05/30,112.02
  6. Step 6: Final answer
    x = 25,063.22

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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.