Home / 20,457.98-30,667.53-13,041.62

Finding the Fourth Proportional to 20,457.98, 30,667.53 and 13,041.62

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Solution

The fourth proportional to 20,457.98, 30,667.53 and 13,041.62 is: 19,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,457.98 : 30,667.53 = 13,041.62 : x
  2. Step 2: Convert to fraction form
    20,457.98/30,667.53 = 13,041.62/x
  3. Step 3: Cross multiply
    20,457.98x = 30,667.53 × 13,041.62
  4. Step 4: Simplify right side
    20,457.98x = 399,954,272.60
  5. Step 5: Solve for x
    x = 399,954,272.60/20,457.98
  6. Step 6: Final answer
    x = 19,550.04

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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.