Home / 47,100.99-70,658.02-13,816.37

Finding the Fourth Proportional to 47,100.99, 70,658.02 and 13,816.37

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Solution

The fourth proportional to 47,100.99, 70,658.02 and 13,816.37 is: 20,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.99 : 70,658.02 = 13,816.37 : x
  2. Step 2: Convert to fraction form
    47,100.99/70,658.02 = 13,816.37/x
  3. Step 3: Cross multiply
    47,100.99x = 70,658.02 × 13,816.37
  4. Step 4: Simplify right side
    47,100.99x = 976,237,541.70
  5. Step 5: Solve for x
    x = 976,237,541.70/47,100.99
  6. Step 6: Final answer
    x = 20,726.47

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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.