Home / 51,390.86-70,938.99-33,490.26

Finding the Fourth Proportional to 51,390.86, 70,938.99 and 33,490.26

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Solution

The fourth proportional to 51,390.86, 70,938.99 and 33,490.26 is: 46,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.86 : 70,938.99 = 33,490.26 : x
  2. Step 2: Convert to fraction form
    51,390.86/70,938.99 = 33,490.26/x
  3. Step 3: Cross multiply
    51,390.86x = 70,938.99 × 33,490.26
  4. Step 4: Simplify right side
    51,390.86x = 2,375,765,219.24
  5. Step 5: Solve for x
    x = 2,375,765,219.24/51,390.86
  6. Step 6: Final answer
    x = 46,229.34

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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.