Home / 50,211.96-69,298.65-28,991.19

Finding the Fourth Proportional to 50,211.96, 69,298.65 and 28,991.19

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Solution

The fourth proportional to 50,211.96, 69,298.65 and 28,991.19 is: 40,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,211.96 : 69,298.65 = 28,991.19 : x
  2. Step 2: Convert to fraction form
    50,211.96/69,298.65 = 28,991.19/x
  3. Step 3: Cross multiply
    50,211.96x = 69,298.65 × 28,991.19
  4. Step 4: Simplify right side
    50,211.96x = 2,009,050,328.89
  5. Step 5: Solve for x
    x = 2,009,050,328.89/50,211.96
  6. Step 6: Final answer
    x = 40,011.39

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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.