Home / 51,430.57-70,945.61-29,917.90

Finding the Fourth Proportional to 51,430.57, 70,945.61 and 29,917.90

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Solution

The fourth proportional to 51,430.57, 70,945.61 and 29,917.90 is: 41,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430.57 : 70,945.61 = 29,917.90 : x
  2. Step 2: Convert to fraction form
    51,430.57/70,945.61 = 29,917.90/x
  3. Step 3: Cross multiply
    51,430.57x = 70,945.61 × 29,917.90
  4. Step 4: Simplify right side
    51,430.57x = 2,122,543,310.69
  5. Step 5: Solve for x
    x = 2,122,543,310.69/51,430.57
  6. Step 6: Final answer
    x = 41,270.07

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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.