Home / 57,197.19-85,807.26-19,758.63

Finding the Fourth Proportional to 57,197.19, 85,807.26 and 19,758.63

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Solution

The fourth proportional to 57,197.19, 85,807.26 and 19,758.63 is: 29,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.19 : 85,807.26 = 19,758.63 : x
  2. Step 2: Convert to fraction form
    57,197.19/85,807.26 = 19,758.63/x
  3. Step 3: Cross multiply
    57,197.19x = 85,807.26 × 19,758.63
  4. Step 4: Simplify right side
    57,197.19x = 1,695,433,901.65
  5. Step 5: Solve for x
    x = 1,695,433,901.65/57,197.19
  6. Step 6: Final answer
    x = 29,641.91

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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.