Home / 55,188.48-76,157.44-30,036.48

Finding the Fourth Proportional to 55,188.48, 76,157.44 and 30,036.48

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Solution

The fourth proportional to 55,188.48, 76,157.44 and 30,036.48 is: 41,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.48 : 76,157.44 = 30,036.48 : x
  2. Step 2: Convert to fraction form
    55,188.48/76,157.44 = 30,036.48/x
  3. Step 3: Cross multiply
    55,188.48x = 76,157.44 × 30,036.48
  4. Step 4: Simplify right side
    55,188.48x = 2,287,501,423.41
  5. Step 5: Solve for x
    x = 2,287,501,423.41/55,188.48
  6. Step 6: Final answer
    x = 41,448.89

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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.