Home / 40,190.42-60,322.98-20,483.76

Finding the Fourth Proportional to 40,190.42, 60,322.98 and 20,483.76

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Solution

The fourth proportional to 40,190.42, 60,322.98 and 20,483.76 is: 30,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.42 : 60,322.98 = 20,483.76 : x
  2. Step 2: Convert to fraction form
    40,190.42/60,322.98 = 20,483.76/x
  3. Step 3: Cross multiply
    40,190.42x = 60,322.98 × 20,483.76
  4. Step 4: Simplify right side
    40,190.42x = 1,235,641,444.80
  5. Step 5: Solve for x
    x = 1,235,641,444.80/40,190.42
  6. Step 6: Final answer
    x = 30,744.68

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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.