Home / 56,870.24-85,305.84-21,801.56

Finding the Fourth Proportional to 56,870.24, 85,305.84 and 21,801.56

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Solution

The fourth proportional to 56,870.24, 85,305.84 and 21,801.56 is: 32,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,870.24 : 85,305.84 = 21,801.56 : x
  2. Step 2: Convert to fraction form
    56,870.24/85,305.84 = 21,801.56/x
  3. Step 3: Cross multiply
    56,870.24x = 85,305.84 × 21,801.56
  4. Step 4: Simplify right side
    56,870.24x = 1,859,800,389.11
  5. Step 5: Solve for x
    x = 1,859,800,389.11/56,870.24
  6. Step 6: Final answer
    x = 32,702.52

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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.