Home / 35,339.85-48,772.11-19,427.40

Finding the Fourth Proportional to 35,339.85, 48,772.11 and 19,427.40

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Solution

The fourth proportional to 35,339.85, 48,772.11 and 19,427.40 is: 26,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.85 : 48,772.11 = 19,427.40 : x
  2. Step 2: Convert to fraction form
    35,339.85/48,772.11 = 19,427.40/x
  3. Step 3: Cross multiply
    35,339.85x = 48,772.11 × 19,427.40
  4. Step 4: Simplify right side
    35,339.85x = 947,515,289.81
  5. Step 5: Solve for x
    x = 947,515,289.81/35,339.85
  6. Step 6: Final answer
    x = 26,811.53

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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.