Home / 47,108.84-70,662.26-13,828.16

Finding the Fourth Proportional to 47,108.84, 70,662.26 and 13,828.16

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Solution

The fourth proportional to 47,108.84, 70,662.26 and 13,828.16 is: 20,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,108.84 : 70,662.26 = 13,828.16 : x
  2. Step 2: Convert to fraction form
    47,108.84/70,662.26 = 13,828.16/x
  3. Step 3: Cross multiply
    47,108.84x = 70,662.26 × 13,828.16
  4. Step 4: Simplify right side
    47,108.84x = 977,129,037.24
  5. Step 5: Solve for x
    x = 977,129,037.24/47,108.84
  6. Step 6: Final answer
    x = 20,741.95

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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.