Home / 34,267.05-51,390.72-13,205.43

Finding the Fourth Proportional to 34,267.05, 51,390.72 and 13,205.43

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Solution

The fourth proportional to 34,267.05, 51,390.72 and 13,205.43 is: 19,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,267.05 : 51,390.72 = 13,205.43 : x
  2. Step 2: Convert to fraction form
    34,267.05/51,390.72 = 13,205.43/x
  3. Step 3: Cross multiply
    34,267.05x = 51,390.72 × 13,205.43
  4. Step 4: Simplify right side
    34,267.05x = 678,636,555.61
  5. Step 5: Solve for x
    x = 678,636,555.61/34,267.05
  6. Step 6: Final answer
    x = 19,804.35

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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.