Home / 46,031.74-69,047.64-19,719.46

Finding the Fourth Proportional to 46,031.74, 69,047.64 and 19,719.46

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Solution

The fourth proportional to 46,031.74, 69,047.64 and 19,719.46 is: 29,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,031.74 : 69,047.64 = 19,719.46 : x
  2. Step 2: Convert to fraction form
    46,031.74/69,047.64 = 19,719.46/x
  3. Step 3: Cross multiply
    46,031.74x = 69,047.64 × 19,719.46
  4. Step 4: Simplify right side
    46,031.74x = 1,361,582,175.07
  5. Step 5: Solve for x
    x = 1,361,582,175.07/46,031.74
  6. Step 6: Final answer
    x = 29,579.20

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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.