Home / 30,253.84-45,287.87-27,402.64

Finding the Fourth Proportional to 30,253.84, 45,287.87 and 27,402.64

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Solution

The fourth proportional to 30,253.84, 45,287.87 and 27,402.64 is: 41,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.84 : 45,287.87 = 27,402.64 : x
  2. Step 2: Convert to fraction form
    30,253.84/45,287.87 = 27,402.64/x
  3. Step 3: Cross multiply
    30,253.84x = 45,287.87 × 27,402.64
  4. Step 4: Simplify right side
    30,253.84x = 1,241,007,197.98
  5. Step 5: Solve for x
    x = 1,241,007,197.98/30,253.84
  6. Step 6: Final answer
    x = 41,019.82

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1.5x scale

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.