Home / 55,430.89-76,481.58-41,123.77

Finding the Fourth Proportional to 55,430.89, 76,481.58 and 41,123.77

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Solution

The fourth proportional to 55,430.89, 76,481.58 and 41,123.77 is: 56,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.89 : 76,481.58 = 41,123.77 : x
  2. Step 2: Convert to fraction form
    55,430.89/76,481.58 = 41,123.77/x
  3. Step 3: Cross multiply
    55,430.89x = 76,481.58 × 41,123.77
  4. Step 4: Simplify right side
    55,430.89x = 3,145,210,905.16
  5. Step 5: Solve for x
    x = 3,145,210,905.16/55,430.89
  6. Step 6: Final answer
    x = 56,741.12

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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.