Home / 29,110.36-40,148.79-19,547.36

Finding the Fourth Proportional to 29,110.36, 40,148.79 and 19,547.36

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Solution

The fourth proportional to 29,110.36, 40,148.79 and 19,547.36 is: 26,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.36 : 40,148.79 = 19,547.36 : x
  2. Step 2: Convert to fraction form
    29,110.36/40,148.79 = 19,547.36/x
  3. Step 3: Cross multiply
    29,110.36x = 40,148.79 × 19,547.36
  4. Step 4: Simplify right side
    29,110.36x = 784,802,851.69
  5. Step 5: Solve for x
    x = 784,802,851.69/29,110.36
  6. Step 6: Final answer
    x = 26,959.58

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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.