Home / 49,430.20-74,145.30-48,336.70

Finding the Fourth Proportional to 49,430.20, 74,145.30 and 48,336.70

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Solution

The fourth proportional to 49,430.20, 74,145.30 and 48,336.70 is: 72,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.20 : 74,145.30 = 48,336.70 : x
  2. Step 2: Convert to fraction form
    49,430.20/74,145.30 = 48,336.70/x
  3. Step 3: Cross multiply
    49,430.20x = 74,145.30 × 48,336.70
  4. Step 4: Simplify right side
    49,430.20x = 3,583,939,122.51
  5. Step 5: Solve for x
    x = 3,583,939,122.51/49,430.20
  6. Step 6: Final answer
    x = 72,505.05

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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.