Home / 45,693.36-63,038.28-29,772

Finding the Fourth Proportional to 45,693.36, 63,038.28 and 29,772

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Solution

The fourth proportional to 45,693.36, 63,038.28 and 29,772 is: 41,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,693.36 : 63,038.28 = 29,772 : x
  2. Step 2: Convert to fraction form
    45,693.36/63,038.28 = 29,772/x
  3. Step 3: Cross multiply
    45,693.36x = 63,038.28 × 29,772
  4. Step 4: Simplify right side
    45,693.36x = 1,876,775,672.16
  5. Step 5: Solve for x
    x = 1,876,775,672.16/45,693.36
  6. Step 6: Final answer
    x = 41,073.27

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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.