Home / 40,950.80-61,426.20-20,214.80

Finding the Fourth Proportional to 40,950.80, 61,426.20 and 20,214.80

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Solution

The fourth proportional to 40,950.80, 61,426.20 and 20,214.80 is: 30,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,950.80 : 61,426.20 = 20,214.80 : x
  2. Step 2: Convert to fraction form
    40,950.80/61,426.20 = 20,214.80/x
  3. Step 3: Cross multiply
    40,950.80x = 61,426.20 × 20,214.80
  4. Step 4: Simplify right side
    40,950.80x = 1,241,718,347.76
  5. Step 5: Solve for x
    x = 1,241,718,347.76/40,950.80
  6. Step 6: Final answer
    x = 30,322.20

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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.