Home / 55,010.30-82,515.45-13,457.30

Finding the Fourth Proportional to 55,010.30, 82,515.45 and 13,457.30

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Solution

The fourth proportional to 55,010.30, 82,515.45 and 13,457.30 is: 20,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,010.30 : 82,515.45 = 13,457.30 : x
  2. Step 2: Convert to fraction form
    55,010.30/82,515.45 = 13,457.30/x
  3. Step 3: Cross multiply
    55,010.30x = 82,515.45 × 13,457.30
  4. Step 4: Simplify right side
    55,010.30x = 1,110,435,165.29
  5. Step 5: Solve for x
    x = 1,110,435,165.29/55,010.30
  6. Step 6: Final answer
    x = 20,185.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.