Home / 56,339.57-77,747.94-30,845.63

Finding the Fourth Proportional to 56,339.57, 77,747.94 and 30,845.63

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Solution

The fourth proportional to 56,339.57, 77,747.94 and 30,845.63 is: 42,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.57 : 77,747.94 = 30,845.63 : x
  2. Step 2: Convert to fraction form
    56,339.57/77,747.94 = 30,845.63/x
  3. Step 3: Cross multiply
    56,339.57x = 77,747.94 × 30,845.63
  4. Step 4: Simplify right side
    56,339.57x = 2,398,184,190.50
  5. Step 5: Solve for x
    x = 2,398,184,190.50/56,339.57
  6. Step 6: Final answer
    x = 42,566.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.