Home / 56,558.60-77,998.73-38,436.37

Finding the Fourth Proportional to 56,558.60, 77,998.73 and 38,436.37

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Solution

The fourth proportional to 56,558.60, 77,998.73 and 38,436.37 is: 53,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,558.60 : 77,998.73 = 38,436.37 : x
  2. Step 2: Convert to fraction form
    56,558.60/77,998.73 = 38,436.37/x
  3. Step 3: Cross multiply
    56,558.60x = 77,998.73 × 38,436.37
  4. Step 4: Simplify right side
    56,558.60x = 2,997,988,313.58
  5. Step 5: Solve for x
    x = 2,997,988,313.58/56,558.60
  6. Step 6: Final answer
    x = 53,006.76

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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.