Home / 47,109.78-65,011.86-25,889.40

Finding the Fourth Proportional to 47,109.78, 65,011.86 and 25,889.40

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Solution

The fourth proportional to 47,109.78, 65,011.86 and 25,889.40 is: 35,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.78 : 65,011.86 = 25,889.40 : x
  2. Step 2: Convert to fraction form
    47,109.78/65,011.86 = 25,889.40/x
  3. Step 3: Cross multiply
    47,109.78x = 65,011.86 × 25,889.40
  4. Step 4: Simplify right side
    47,109.78x = 1,683,118,048.28
  5. Step 5: Solve for x
    x = 1,683,118,048.28/47,109.78
  6. Step 6: Final answer
    x = 35,727.57

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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.