Home / 36,072.03-54,111.11-9,421.55

Finding the Fourth Proportional to 36,072.03, 54,111.11 and 9,421.55

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Solution

The fourth proportional to 36,072.03, 54,111.11 and 9,421.55 is: 14,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.03 : 54,111.11 = 9,421.55 : x
  2. Step 2: Convert to fraction form
    36,072.03/54,111.11 = 9,421.55/x
  3. Step 3: Cross multiply
    36,072.03x = 54,111.11 × 9,421.55
  4. Step 4: Simplify right side
    36,072.03x = 509,810,528.42
  5. Step 5: Solve for x
    x = 509,810,528.42/36,072.03
  6. Step 6: Final answer
    x = 14,133.13

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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.