Home / 56,943.76-85,467.68-28,883.20

Finding the Fourth Proportional to 56,943.76, 85,467.68 and 28,883.20

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Solution

The fourth proportional to 56,943.76, 85,467.68 and 28,883.20 is: 43,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943.76 : 85,467.68 = 28,883.20 : x
  2. Step 2: Convert to fraction form
    56,943.76/85,467.68 = 28,883.20/x
  3. Step 3: Cross multiply
    56,943.76x = 85,467.68 × 28,883.20
  4. Step 4: Simplify right side
    56,943.76x = 2,468,580,094.98
  5. Step 5: Solve for x
    x = 2,468,580,094.98/56,943.76
  6. Step 6: Final answer
    x = 43,351.20

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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.