Home / 56,670.90-85,003.65-19,227.30

Finding the Fourth Proportional to 56,670.90, 85,003.65 and 19,227.30

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Solution

The fourth proportional to 56,670.90, 85,003.65 and 19,227.30 is: 28,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670.90 : 85,003.65 = 19,227.30 : x
  2. Step 2: Convert to fraction form
    56,670.90/85,003.65 = 19,227.30/x
  3. Step 3: Cross multiply
    56,670.90x = 85,003.65 × 19,227.30
  4. Step 4: Simplify right side
    56,670.90x = 1,634,390,679.65
  5. Step 5: Solve for x
    x = 1,634,390,679.65/56,670.90
  6. Step 6: Final answer
    x = 28,840.03

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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.