Home / 38,019.48-56,941.74-30,350.40

Finding the Fourth Proportional to 38,019.48, 56,941.74 and 30,350.40

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Solution

The fourth proportional to 38,019.48, 56,941.74 and 30,350.40 is: 45,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.48 : 56,941.74 = 30,350.40 : x
  2. Step 2: Convert to fraction form
    38,019.48/56,941.74 = 30,350.40/x
  3. Step 3: Cross multiply
    38,019.48x = 56,941.74 × 30,350.40
  4. Step 4: Simplify right side
    38,019.48x = 1,728,204,585.70
  5. Step 5: Solve for x
    x = 1,728,204,585.70/38,019.48
  6. Step 6: Final answer
    x = 45,455.77

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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.