Home / 30,209.95-41,683.02-18,273.03

Finding the Fourth Proportional to 30,209.95, 41,683.02 and 18,273.03

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Solution

The fourth proportional to 30,209.95, 41,683.02 and 18,273.03 is: 25,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.95 : 41,683.02 = 18,273.03 : x
  2. Step 2: Convert to fraction form
    30,209.95/41,683.02 = 18,273.03/x
  3. Step 3: Cross multiply
    30,209.95x = 41,683.02 × 18,273.03
  4. Step 4: Simplify right side
    30,209.95x = 761,675,187.37
  5. Step 5: Solve for x
    x = 761,675,187.37/30,209.95
  6. Step 6: Final answer
    x = 25,212.72

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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.