Home / 46,449.40-69,664.80-19,790.28

Finding the Fourth Proportional to 46,449.40, 69,664.80 and 19,790.28

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Solution

The fourth proportional to 46,449.40, 69,664.80 and 19,790.28 is: 29,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,449.40 : 69,664.80 = 19,790.28 : x
  2. Step 2: Convert to fraction form
    46,449.40/69,664.80 = 19,790.28/x
  3. Step 3: Cross multiply
    46,449.40x = 69,664.80 × 19,790.28
  4. Step 4: Simplify right side
    46,449.40x = 1,378,685,898.14
  5. Step 5: Solve for x
    x = 1,378,685,898.14/46,449.40
  6. Step 6: Final answer
    x = 29,681.46

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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.