Home / 30,093.16-45,209.60-18,882.96

Finding the Fourth Proportional to 30,093.16, 45,209.60 and 18,882.96

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Solution

The fourth proportional to 30,093.16, 45,209.60 and 18,882.96 is: 28,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.16 : 45,209.60 = 18,882.96 : x
  2. Step 2: Convert to fraction form
    30,093.16/45,209.60 = 18,882.96/x
  3. Step 3: Cross multiply
    30,093.16x = 45,209.60 × 18,882.96
  4. Step 4: Simplify right side
    30,093.16x = 853,691,068.42
  5. Step 5: Solve for x
    x = 853,691,068.42/30,093.16
  6. Step 6: Final answer
    x = 28,368.28

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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.