Home / 56,840.61-85,237.45-19,403.70

Finding the Fourth Proportional to 56,840.61, 85,237.45 and 19,403.70

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Solution

The fourth proportional to 56,840.61, 85,237.45 and 19,403.70 is: 29,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,840.61 : 85,237.45 = 19,403.70 : x
  2. Step 2: Convert to fraction form
    56,840.61/85,237.45 = 19,403.70/x
  3. Step 3: Cross multiply
    56,840.61x = 85,237.45 × 19,403.70
  4. Step 4: Simplify right side
    56,840.61x = 1,653,921,540.42
  5. Step 5: Solve for x
    x = 1,653,921,540.42/56,840.61
  6. Step 6: Final answer
    x = 29,097.53

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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.