Home / 51,984.30-77,975.73-12,541.08

Finding the Fourth Proportional to 51,984.30, 77,975.73 and 12,541.08

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Solution

The fourth proportional to 51,984.30, 77,975.73 and 12,541.08 is: 18,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.30 : 77,975.73 = 12,541.08 : x
  2. Step 2: Convert to fraction form
    51,984.30/77,975.73 = 12,541.08/x
  3. Step 3: Cross multiply
    51,984.30x = 77,975.73 × 12,541.08
  4. Step 4: Simplify right side
    51,984.30x = 977,899,867.99
  5. Step 5: Solve for x
    x = 977,899,867.99/51,984.30
  6. Step 6: Final answer
    x = 18,811.45

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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.