Home / 46,879.56-64,694.16-28,970.46

Finding the Fourth Proportional to 46,879.56, 64,694.16 and 28,970.46

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Solution

The fourth proportional to 46,879.56, 64,694.16 and 28,970.46 is: 39,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,879.56 : 64,694.16 = 28,970.46 : x
  2. Step 2: Convert to fraction form
    46,879.56/64,694.16 = 28,970.46/x
  3. Step 3: Cross multiply
    46,879.56x = 64,694.16 × 28,970.46
  4. Step 4: Simplify right side
    46,879.56x = 1,874,219,574.51
  5. Step 5: Solve for x
    x = 1,874,219,574.51/46,879.56
  6. Step 6: Final answer
    x = 39,979.46

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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.