Home / 55,327.62-76,358.57-31,457.87

Finding the Fourth Proportional to 55,327.62, 76,358.57 and 31,457.87

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Solution

The fourth proportional to 55,327.62, 76,358.57 and 31,457.87 is: 43,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.62 : 76,358.57 = 31,457.87 : x
  2. Step 2: Convert to fraction form
    55,327.62/76,358.57 = 31,457.87/x
  3. Step 3: Cross multiply
    55,327.62x = 76,358.57 × 31,457.87
  4. Step 4: Simplify right side
    55,327.62x = 2,402,077,968.45
  5. Step 5: Solve for x
    x = 2,402,077,968.45/55,327.62
  6. Step 6: Final answer
    x = 43,415.53

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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.