Home / 53,517.65-80,313.39-18,457.34

Finding the Fourth Proportional to 53,517.65, 80,313.39 and 18,457.34

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Solution

The fourth proportional to 53,517.65, 80,313.39 and 18,457.34 is: 27,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.65 : 80,313.39 = 18,457.34 : x
  2. Step 2: Convert to fraction form
    53,517.65/80,313.39 = 18,457.34/x
  3. Step 3: Cross multiply
    53,517.65x = 80,313.39 × 18,457.34
  4. Step 4: Simplify right side
    53,517.65x = 1,482,371,144.22
  5. Step 5: Solve for x
    x = 1,482,371,144.22/53,517.65
  6. Step 6: Final answer
    x = 27,698.74

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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.