Home / 46,490.36-69,736.07-13,210.36

Finding the Fourth Proportional to 46,490.36, 69,736.07 and 13,210.36

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Solution

The fourth proportional to 46,490.36, 69,736.07 and 13,210.36 is: 19,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,490.36 : 69,736.07 = 13,210.36 : x
  2. Step 2: Convert to fraction form
    46,490.36/69,736.07 = 13,210.36/x
  3. Step 3: Cross multiply
    46,490.36x = 69,736.07 × 13,210.36
  4. Step 4: Simplify right side
    46,490.36x = 921,238,448.37
  5. Step 5: Solve for x
    x = 921,238,448.37/46,490.36
  6. Step 6: Final answer
    x = 19,815.69

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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.