Home / 33,979-46,890.28-18,870.82

Finding the Fourth Proportional to 33,979, 46,890.28 and 18,870.82

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Solution

The fourth proportional to 33,979, 46,890.28 and 18,870.82 is: 26,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979 : 46,890.28 = 18,870.82 : x
  2. Step 2: Convert to fraction form
    33,979/46,890.28 = 18,870.82/x
  3. Step 3: Cross multiply
    33,979x = 46,890.28 × 18,870.82
  4. Step 4: Simplify right side
    33,979x = 884,858,033.63
  5. Step 5: Solve for x
    x = 884,858,033.63/33,979
  6. Step 6: Final answer
    x = 26,041.32

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1.5x scale

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.