Home / 50,302.84-75,442.56-18,727.78

Finding the Fourth Proportional to 50,302.84, 75,442.56 and 18,727.78

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Solution

The fourth proportional to 50,302.84, 75,442.56 and 18,727.78 is: 28,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,302.84 : 75,442.56 = 18,727.78 : x
  2. Step 2: Convert to fraction form
    50,302.84/75,442.56 = 18,727.78/x
  3. Step 3: Cross multiply
    50,302.84x = 75,442.56 × 18,727.78
  4. Step 4: Simplify right side
    50,302.84x = 1,412,871,666.32
  5. Step 5: Solve for x
    x = 1,412,871,666.32/50,302.84
  6. Step 6: Final answer
    x = 28,087.31

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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.