Home / 30,233.20-45,331.80-18,554.80

Finding the Fourth Proportional to 30,233.20, 45,331.80 and 18,554.80

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Solution

The fourth proportional to 30,233.20, 45,331.80 and 18,554.80 is: 27,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.20 : 45,331.80 = 18,554.80 : x
  2. Step 2: Convert to fraction form
    30,233.20/45,331.80 = 18,554.80/x
  3. Step 3: Cross multiply
    30,233.20x = 45,331.80 × 18,554.80
  4. Step 4: Simplify right side
    30,233.20x = 841,122,482.64
  5. Step 5: Solve for x
    x = 841,122,482.64/30,233.20
  6. Step 6: Final answer
    x = 27,821.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.