Home / 34,913.88-48,182.18-18,999.36

Finding the Fourth Proportional to 34,913.88, 48,182.18 and 18,999.36

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Solution

The fourth proportional to 34,913.88, 48,182.18 and 18,999.36 is: 26,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,913.88 : 48,182.18 = 18,999.36 : x
  2. Step 2: Convert to fraction form
    34,913.88/48,182.18 = 18,999.36/x
  3. Step 3: Cross multiply
    34,913.88x = 48,182.18 × 18,999.36
  4. Step 4: Simplify right side
    34,913.88x = 915,430,488.41
  5. Step 5: Solve for x
    x = 915,430,488.41/34,913.88
  6. Step 6: Final answer
    x = 26,219.67

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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.