Home / 51,558.94-71,135.66-32,457.78

Finding the Fourth Proportional to 51,558.94, 71,135.66 and 32,457.78

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Solution

The fourth proportional to 51,558.94, 71,135.66 and 32,457.78 is: 44,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,558.94 : 71,135.66 = 32,457.78 : x
  2. Step 2: Convert to fraction form
    51,558.94/71,135.66 = 32,457.78/x
  3. Step 3: Cross multiply
    51,558.94x = 71,135.66 × 32,457.78
  4. Step 4: Simplify right side
    51,558.94x = 2,308,905,483.51
  5. Step 5: Solve for x
    x = 2,308,905,483.51/51,558.94
  6. Step 6: Final answer
    x = 44,781.87

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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.