Home / 56,989.48-85,483.26-21,936.72

Finding the Fourth Proportional to 56,989.48, 85,483.26 and 21,936.72

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Solution

The fourth proportional to 56,989.48, 85,483.26 and 21,936.72 is: 32,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.48 : 85,483.26 = 21,936.72 : x
  2. Step 2: Convert to fraction form
    56,989.48/85,483.26 = 21,936.72/x
  3. Step 3: Cross multiply
    56,989.48x = 85,483.26 × 21,936.72
  4. Step 4: Simplify right side
    56,989.48x = 1,875,222,339.31
  5. Step 5: Solve for x
    x = 1,875,222,339.31/56,989.48
  6. Step 6: Final answer
    x = 32,904.71

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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.