Home / 55,410.76-76,457.92-31,537.84

Finding the Fourth Proportional to 55,410.76, 76,457.92 and 31,537.84

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Solution

The fourth proportional to 55,410.76, 76,457.92 and 31,537.84 is: 43,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410.76 : 76,457.92 = 31,537.84 : x
  2. Step 2: Convert to fraction form
    55,410.76/76,457.92 = 31,537.84/x
  3. Step 3: Cross multiply
    55,410.76x = 76,457.92 × 31,537.84
  4. Step 4: Simplify right side
    55,410.76x = 2,411,317,647.69
  5. Step 5: Solve for x
    x = 2,411,317,647.69/55,410.76
  6. Step 6: Final answer
    x = 43,517.14

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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.