Home / 30,780.66-46,191.76-12,058.37

Finding the Fourth Proportional to 30,780.66, 46,191.76 and 12,058.37

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Solution

The fourth proportional to 30,780.66, 46,191.76 and 12,058.37 is: 18,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,780.66 : 46,191.76 = 12,058.37 : x
  2. Step 2: Convert to fraction form
    30,780.66/46,191.76 = 12,058.37/x
  3. Step 3: Cross multiply
    30,780.66x = 46,191.76 × 12,058.37
  4. Step 4: Simplify right side
    30,780.66x = 556,997,333.03
  5. Step 5: Solve for x
    x = 556,997,333.03/30,780.66
  6. Step 6: Final answer
    x = 18,095.69

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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.