Home / 51,440.58-70,990.02-30,219.66

Finding the Fourth Proportional to 51,440.58, 70,990.02 and 30,219.66

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Solution

The fourth proportional to 51,440.58, 70,990.02 and 30,219.66 is: 41,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,440.58 : 70,990.02 = 30,219.66 : x
  2. Step 2: Convert to fraction form
    51,440.58/70,990.02 = 30,219.66/x
  3. Step 3: Cross multiply
    51,440.58x = 70,990.02 × 30,219.66
  4. Step 4: Simplify right side
    51,440.58x = 2,145,294,267.79
  5. Step 5: Solve for x
    x = 2,145,294,267.79/51,440.58
  6. Step 6: Final answer
    x = 41,704.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.