Home / 34,363.26-47,430.64-20,220.66

Finding the Fourth Proportional to 34,363.26, 47,430.64 and 20,220.66

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Solution

The fourth proportional to 34,363.26, 47,430.64 and 20,220.66 is: 27,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.26 : 47,430.64 = 20,220.66 : x
  2. Step 2: Convert to fraction form
    34,363.26/47,430.64 = 20,220.66/x
  3. Step 3: Cross multiply
    34,363.26x = 47,430.64 × 20,220.66
  4. Step 4: Simplify right side
    34,363.26x = 959,078,845.02
  5. Step 5: Solve for x
    x = 959,078,845.02/34,363.26
  6. Step 6: Final answer
    x = 27,910.01

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1.5x scale

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.