Home / 30,721.77-46,082.35-14,077.08

Finding the Fourth Proportional to 30,721.77, 46,082.35 and 14,077.08

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Solution

The fourth proportional to 30,721.77, 46,082.35 and 14,077.08 is: 21,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.77 : 46,082.35 = 14,077.08 : x
  2. Step 2: Convert to fraction form
    30,721.77/46,082.35 = 14,077.08/x
  3. Step 3: Cross multiply
    30,721.77x = 46,082.35 × 14,077.08
  4. Step 4: Simplify right side
    30,721.77x = 648,704,927.54
  5. Step 5: Solve for x
    x = 648,704,927.54/30,721.77
  6. Step 6: Final answer
    x = 21,115.48

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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.