Home / 30,096.87-45,131.28-13,457.04

Finding the Fourth Proportional to 30,096.87, 45,131.28 and 13,457.04

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Solution

The fourth proportional to 30,096.87, 45,131.28 and 13,457.04 is: 20,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,096.87 : 45,131.28 = 13,457.04 : x
  2. Step 2: Convert to fraction form
    30,096.87/45,131.28 = 13,457.04/x
  3. Step 3: Cross multiply
    30,096.87x = 45,131.28 × 13,457.04
  4. Step 4: Simplify right side
    30,096.87x = 607,333,220.51
  5. Step 5: Solve for x
    x = 607,333,220.51/30,096.87
  6. Step 6: Final answer
    x = 20,179.28

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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.