Home / 56,791.04-85,188.98-21,249.05

Finding the Fourth Proportional to 56,791.04, 85,188.98 and 21,249.05

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Solution

The fourth proportional to 56,791.04, 85,188.98 and 21,249.05 is: 31,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791.04 : 85,188.98 = 21,249.05 : x
  2. Step 2: Convert to fraction form
    56,791.04/85,188.98 = 21,249.05/x
  3. Step 3: Cross multiply
    56,791.04x = 85,188.98 × 21,249.05
  4. Step 4: Simplify right side
    56,791.04x = 1,810,184,522.65
  5. Step 5: Solve for x
    x = 1,810,184,522.65/56,791.04
  6. Step 6: Final answer
    x = 31,874.48

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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.