Home / 51,450.48-70,991.28-29,090.16

Finding the Fourth Proportional to 51,450.48, 70,991.28 and 29,090.16

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Solution

The fourth proportional to 51,450.48, 70,991.28 and 29,090.16 is: 40,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,450.48 : 70,991.28 = 29,090.16 : x
  2. Step 2: Convert to fraction form
    51,450.48/70,991.28 = 29,090.16/x
  3. Step 3: Cross multiply
    51,450.48x = 70,991.28 × 29,090.16
  4. Step 4: Simplify right side
    51,450.48x = 2,065,147,693.80
  5. Step 5: Solve for x
    x = 2,065,147,693.80/51,450.48
  6. Step 6: Final answer
    x = 40,138.55

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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.