Home / 35,424.96-48,888.36-21,289.92

Finding the Fourth Proportional to 35,424.96, 48,888.36 and 21,289.92

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Solution

The fourth proportional to 35,424.96, 48,888.36 and 21,289.92 is: 29,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.96 : 48,888.36 = 21,289.92 : x
  2. Step 2: Convert to fraction form
    35,424.96/48,888.36 = 21,289.92/x
  3. Step 3: Cross multiply
    35,424.96x = 48,888.36 × 21,289.92
  4. Step 4: Simplify right side
    35,424.96x = 1,040,829,273.33
  5. Step 5: Solve for x
    x = 1,040,829,273.33/35,424.96
  6. Step 6: Final answer
    x = 29,381.24

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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.