Home / 30,808.53-42,526.67-18,233.25

Finding the Fourth Proportional to 30,808.53, 42,526.67 and 18,233.25

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Solution

The fourth proportional to 30,808.53, 42,526.67 and 18,233.25 is: 25,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.53 : 42,526.67 = 18,233.25 : x
  2. Step 2: Convert to fraction form
    30,808.53/42,526.67 = 18,233.25/x
  3. Step 3: Cross multiply
    30,808.53x = 42,526.67 × 18,233.25
  4. Step 4: Simplify right side
    30,808.53x = 775,399,405.78
  5. Step 5: Solve for x
    x = 775,399,405.78/30,808.53
  6. Step 6: Final answer
    x = 25,168.34

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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.