Home / 51,349.21-76,990.84-21,384.22

Finding the Fourth Proportional to 51,349.21, 76,990.84 and 21,384.22

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Solution

The fourth proportional to 51,349.21, 76,990.84 and 21,384.22 is: 32,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,349.21 : 76,990.84 = 21,384.22 : x
  2. Step 2: Convert to fraction form
    51,349.21/76,990.84 = 21,384.22/x
  3. Step 3: Cross multiply
    51,349.21x = 76,990.84 × 21,384.22
  4. Step 4: Simplify right side
    51,349.21x = 1,646,389,060.54
  5. Step 5: Solve for x
    x = 1,646,389,060.54/51,349.21
  6. Step 6: Final answer
    x = 32,062.60

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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.