Home / 47,203.18-65,139.78-26,789

Finding the Fourth Proportional to 47,203.18, 65,139.78 and 26,789

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Solution

The fourth proportional to 47,203.18, 65,139.78 and 26,789 is: 36,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,203.18 : 65,139.78 = 26,789 : x
  2. Step 2: Convert to fraction form
    47,203.18/65,139.78 = 26,789/x
  3. Step 3: Cross multiply
    47,203.18x = 65,139.78 × 26,789
  4. Step 4: Simplify right side
    47,203.18x = 1,745,029,566.42
  5. Step 5: Solve for x
    x = 1,745,029,566.42/47,203.18
  6. Step 6: Final answer
    x = 36,968.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.