Home / 30,242.43-45,363.58-8,055.81

Finding the Fourth Proportional to 30,242.43, 45,363.58 and 8,055.81

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Solution

The fourth proportional to 30,242.43, 45,363.58 and 8,055.81 is: 12,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.43 : 45,363.58 = 8,055.81 : x
  2. Step 2: Convert to fraction form
    30,242.43/45,363.58 = 8,055.81/x
  3. Step 3: Cross multiply
    30,242.43x = 45,363.58 × 8,055.81
  4. Step 4: Simplify right side
    30,242.43x = 365,440,361.26
  5. Step 5: Solve for x
    x = 365,440,361.26/30,242.43
  6. Step 6: Final answer
    x = 12,083.70

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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.