Home / 30,788.36-46,187.40-10,007

Finding the Fourth Proportional to 30,788.36, 46,187.40 and 10,007

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Solution

The fourth proportional to 30,788.36, 46,187.40 and 10,007 is: 15,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,788.36 : 46,187.40 = 10,007 : x
  2. Step 2: Convert to fraction form
    30,788.36/46,187.40 = 10,007/x
  3. Step 3: Cross multiply
    30,788.36x = 46,187.40 × 10,007
  4. Step 4: Simplify right side
    30,788.36x = 462,197,311.80
  5. Step 5: Solve for x
    x = 462,197,311.80/30,788.36
  6. Step 6: Final answer
    x = 15,012.08

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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.