Home / 57,305.51-85,959.33-19,866.81

Finding the Fourth Proportional to 57,305.51, 85,959.33 and 19,866.81

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Solution

The fourth proportional to 57,305.51, 85,959.33 and 19,866.81 is: 29,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,305.51 : 85,959.33 = 19,866.81 : x
  2. Step 2: Convert to fraction form
    57,305.51/85,959.33 = 19,866.81/x
  3. Step 3: Cross multiply
    57,305.51x = 85,959.33 × 19,866.81
  4. Step 4: Simplify right side
    57,305.51x = 1,707,737,247.04
  5. Step 5: Solve for x
    x = 1,707,737,247.04/57,305.51
  6. Step 6: Final answer
    x = 29,800.58

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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.