Home / 56,895.58-85,358.49-19,455.59

Finding the Fourth Proportional to 56,895.58, 85,358.49 and 19,455.59

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Solution

The fourth proportional to 56,895.58, 85,358.49 and 19,455.59 is: 29,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.58 : 85,358.49 = 19,455.59 : x
  2. Step 2: Convert to fraction form
    56,895.58/85,358.49 = 19,455.59/x
  3. Step 3: Cross multiply
    56,895.58x = 85,358.49 × 19,455.59
  4. Step 4: Simplify right side
    56,895.58x = 1,660,699,357.67
  5. Step 5: Solve for x
    x = 1,660,699,357.67/56,895.58
  6. Step 6: Final answer
    x = 29,188.55

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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.