Home / 34,676.48-47,879.28-21,266.24

Finding the Fourth Proportional to 34,676.48, 47,879.28 and 21,266.24

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Solution

The fourth proportional to 34,676.48, 47,879.28 and 21,266.24 is: 29,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,676.48 : 47,879.28 = 21,266.24 : x
  2. Step 2: Convert to fraction form
    34,676.48/47,879.28 = 21,266.24/x
  3. Step 3: Cross multiply
    34,676.48x = 47,879.28 × 21,266.24
  4. Step 4: Simplify right side
    34,676.48x = 1,018,212,259.51
  5. Step 5: Solve for x
    x = 1,018,212,259.51/34,676.48
  6. Step 6: Final answer
    x = 29,363.20

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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.