Home / 30,679.18-45,951.32-25,353.83

Finding the Fourth Proportional to 30,679.18, 45,951.32 and 25,353.83

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Solution

The fourth proportional to 30,679.18, 45,951.32 and 25,353.83 is: 37,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.18 : 45,951.32 = 25,353.83 : x
  2. Step 2: Convert to fraction form
    30,679.18/45,951.32 = 25,353.83/x
  3. Step 3: Cross multiply
    30,679.18x = 45,951.32 × 25,353.83
  4. Step 4: Simplify right side
    30,679.18x = 1,165,041,828.79
  5. Step 5: Solve for x
    x = 1,165,041,828.79/30,679.18
  6. Step 6: Final answer
    x = 37,975.01

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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.