Home / 47,764.28-71,646.53-12,703.94

Finding the Fourth Proportional to 47,764.28, 71,646.53 and 12,703.94

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Solution

The fourth proportional to 47,764.28, 71,646.53 and 12,703.94 is: 19,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.28 : 71,646.53 = 12,703.94 : x
  2. Step 2: Convert to fraction form
    47,764.28/71,646.53 = 12,703.94/x
  3. Step 3: Cross multiply
    47,764.28x = 71,646.53 × 12,703.94
  4. Step 4: Simplify right side
    47,764.28x = 910,193,065.25
  5. Step 5: Solve for x
    x = 910,193,065.25/47,764.28
  6. Step 6: Final answer
    x = 19,055.94

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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.