Home / 56,024.26-77,311.52-30,530.11

Finding the Fourth Proportional to 56,024.26, 77,311.52 and 30,530.11

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Solution

The fourth proportional to 56,024.26, 77,311.52 and 30,530.11 is: 42,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.26 : 77,311.52 = 30,530.11 : x
  2. Step 2: Convert to fraction form
    56,024.26/77,311.52 = 30,530.11/x
  3. Step 3: Cross multiply
    56,024.26x = 77,311.52 × 30,530.11
  4. Step 4: Simplify right side
    56,024.26x = 2,360,328,978.43
  5. Step 5: Solve for x
    x = 2,360,328,978.43/56,024.26
  6. Step 6: Final answer
    x = 42,130.48

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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.