Home / 35,426.61-48,887.76-20,328.21

Finding the Fourth Proportional to 35,426.61, 48,887.76 and 20,328.21

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Solution

The fourth proportional to 35,426.61, 48,887.76 and 20,328.21 is: 28,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.61 : 48,887.76 = 20,328.21 : x
  2. Step 2: Convert to fraction form
    35,426.61/48,887.76 = 20,328.21/x
  3. Step 3: Cross multiply
    35,426.61x = 48,887.76 × 20,328.21
  4. Step 4: Simplify right side
    35,426.61x = 993,800,651.71
  5. Step 5: Solve for x
    x = 993,800,651.71/35,426.61
  6. Step 6: Final answer
    x = 28,052.38

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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.