Home / 55,215.89-82,837.06-17,779.48

Finding the Fourth Proportional to 55,215.89, 82,837.06 and 17,779.48

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Solution

The fourth proportional to 55,215.89, 82,837.06 and 17,779.48 is: 26,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.89 : 82,837.06 = 17,779.48 : x
  2. Step 2: Convert to fraction form
    55,215.89/82,837.06 = 17,779.48/x
  3. Step 3: Cross multiply
    55,215.89x = 82,837.06 × 17,779.48
  4. Step 4: Simplify right side
    55,215.89x = 1,472,799,599.99
  5. Step 5: Solve for x
    x = 1,472,799,599.99/55,215.89
  6. Step 6: Final answer
    x = 26,673.48

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1.5x scale

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.