Home / 55,493.21-76,580.93-30,342.71

Finding the Fourth Proportional to 55,493.21, 76,580.93 and 30,342.71

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Solution

The fourth proportional to 55,493.21, 76,580.93 and 30,342.71 is: 41,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.21 : 76,580.93 = 30,342.71 : x
  2. Step 2: Convert to fraction form
    55,493.21/76,580.93 = 30,342.71/x
  3. Step 3: Cross multiply
    55,493.21x = 76,580.93 × 30,342.71
  4. Step 4: Simplify right side
    55,493.21x = 2,323,672,798.81
  5. Step 5: Solve for x
    x = 2,323,672,798.81/55,493.21
  6. Step 6: Final answer
    x = 41,873.10

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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.