Home / 57,005.77-78,615.64-34,305.37

Finding the Fourth Proportional to 57,005.77, 78,615.64 and 34,305.37

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Solution

The fourth proportional to 57,005.77, 78,615.64 and 34,305.37 is: 47,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,005.77 : 78,615.64 = 34,305.37 : x
  2. Step 2: Convert to fraction form
    57,005.77/78,615.64 = 34,305.37/x
  3. Step 3: Cross multiply
    57,005.77x = 78,615.64 × 34,305.37
  4. Step 4: Simplify right side
    57,005.77x = 2,696,938,617.99
  5. Step 5: Solve for x
    x = 2,696,938,617.99/57,005.77
  6. Step 6: Final answer
    x = 47,309.92

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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.