Home / 47,619.90-65,716.26-26,109.20

Finding the Fourth Proportional to 47,619.90, 65,716.26 and 26,109.20

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Solution

The fourth proportional to 47,619.90, 65,716.26 and 26,109.20 is: 36,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.90 : 65,716.26 = 26,109.20 : x
  2. Step 2: Convert to fraction form
    47,619.90/65,716.26 = 26,109.20/x
  3. Step 3: Cross multiply
    47,619.90x = 65,716.26 × 26,109.20
  4. Step 4: Simplify right side
    47,619.90x = 1,715,798,647.01
  5. Step 5: Solve for x
    x = 1,715,798,647.01/47,619.90
  6. Step 6: Final answer
    x = 36,031.13

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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.