Home / 50,277.60-75,368.40-18,679.20

Finding the Fourth Proportional to 50,277.60, 75,368.40 and 18,679.20

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Solution

The fourth proportional to 50,277.60, 75,368.40 and 18,679.20 is: 28,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,277.60 : 75,368.40 = 18,679.20 : x
  2. Step 2: Convert to fraction form
    50,277.60/75,368.40 = 18,679.20/x
  3. Step 3: Cross multiply
    50,277.60x = 75,368.40 × 18,679.20
  4. Step 4: Simplify right side
    50,277.60x = 1,407,821,417.28
  5. Step 5: Solve for x
    x = 1,407,821,417.28/50,277.60
  6. Step 6: Final answer
    x = 28,000.97

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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.