Home / 30,306.78-45,473.22-11,592.45

Finding the Fourth Proportional to 30,306.78, 45,473.22 and 11,592.45

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Solution

The fourth proportional to 30,306.78, 45,473.22 and 11,592.45 is: 17,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.78 : 45,473.22 = 11,592.45 : x
  2. Step 2: Convert to fraction form
    30,306.78/45,473.22 = 11,592.45/x
  3. Step 3: Cross multiply
    30,306.78x = 45,473.22 × 11,592.45
  4. Step 4: Simplify right side
    30,306.78x = 527,146,029.19
  5. Step 5: Solve for x
    x = 527,146,029.19/30,306.78
  6. Step 6: Final answer
    x = 17,393.67

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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.