Home / 35,933.40-53,827.20-20,332.80

Finding the Fourth Proportional to 35,933.40, 53,827.20 and 20,332.80

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Solution

The fourth proportional to 35,933.40, 53,827.20 and 20,332.80 is: 30,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,933.40 : 53,827.20 = 20,332.80 : x
  2. Step 2: Convert to fraction form
    35,933.40/53,827.20 = 20,332.80/x
  3. Step 3: Cross multiply
    35,933.40x = 53,827.20 × 20,332.80
  4. Step 4: Simplify right side
    35,933.40x = 1,094,457,692.16
  5. Step 5: Solve for x
    x = 1,094,457,692.16/35,933.40
  6. Step 6: Final answer
    x = 30,457.95

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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.