Home / 51,618.40-77,485.20-48,234.40

Finding the Fourth Proportional to 51,618.40, 77,485.20 and 48,234.40

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Solution

The fourth proportional to 51,618.40, 77,485.20 and 48,234.40 is: 72,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618.40 : 77,485.20 = 48,234.40 : x
  2. Step 2: Convert to fraction form
    51,618.40/77,485.20 = 48,234.40/x
  3. Step 3: Cross multiply
    51,618.40x = 77,485.20 × 48,234.40
  4. Step 4: Simplify right side
    51,618.40x = 3,737,452,130.88
  5. Step 5: Solve for x
    x = 3,737,452,130.88/51,618.40
  6. Step 6: Final answer
    x = 72,405.42

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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.