Home / 56,029.44-77,320.32-30,877.44

Finding the Fourth Proportional to 56,029.44, 77,320.32 and 30,877.44

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Solution

The fourth proportional to 56,029.44, 77,320.32 and 30,877.44 is: 42,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,029.44 : 77,320.32 = 30,877.44 : x
  2. Step 2: Convert to fraction form
    56,029.44/77,320.32 = 30,877.44/x
  3. Step 3: Cross multiply
    56,029.44x = 77,320.32 × 30,877.44
  4. Step 4: Simplify right side
    56,029.44x = 2,387,453,541.58
  5. Step 5: Solve for x
    x = 2,387,453,541.58/56,029.44
  6. Step 6: Final answer
    x = 42,610.70

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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.