Home / 50,501.85-69,686.35-28,990.41

Finding the Fourth Proportional to 50,501.85, 69,686.35 and 28,990.41

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Solution

The fourth proportional to 50,501.85, 69,686.35 and 28,990.41 is: 40,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,501.85 : 69,686.35 = 28,990.41 : x
  2. Step 2: Convert to fraction form
    50,501.85/69,686.35 = 28,990.41/x
  3. Step 3: Cross multiply
    50,501.85x = 69,686.35 × 28,990.41
  4. Step 4: Simplify right side
    50,501.85x = 2,020,235,857.90
  5. Step 5: Solve for x
    x = 2,020,235,857.90/50,501.85
  6. Step 6: Final answer
    x = 40,003.20

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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.