Home / 46,543.13-69,844.19-19,889.30

Finding the Fourth Proportional to 46,543.13, 69,844.19 and 19,889.30

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Solution

The fourth proportional to 46,543.13, 69,844.19 and 19,889.30 is: 29,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,543.13 : 69,844.19 = 19,889.30 : x
  2. Step 2: Convert to fraction form
    46,543.13/69,844.19 = 19,889.30/x
  3. Step 3: Cross multiply
    46,543.13x = 69,844.19 × 19,889.30
  4. Step 4: Simplify right side
    46,543.13x = 1,389,152,048.17
  5. Step 5: Solve for x
    x = 1,389,152,048.17/46,543.13
  6. Step 6: Final answer
    x = 29,846.55

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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.