Home / 45,935.07-68,782.29-30,090.25

Finding the Fourth Proportional to 45,935.07, 68,782.29 and 30,090.25

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Solution

The fourth proportional to 45,935.07, 68,782.29 and 30,090.25 is: 45,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.07 : 68,782.29 = 30,090.25 : x
  2. Step 2: Convert to fraction form
    45,935.07/68,782.29 = 30,090.25/x
  3. Step 3: Cross multiply
    45,935.07x = 68,782.29 × 30,090.25
  4. Step 4: Simplify right side
    45,935.07x = 2,069,676,301.67
  5. Step 5: Solve for x
    x = 2,069,676,301.67/45,935.07
  6. Step 6: Final answer
    x = 45,056.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.