Home / 35,328.49-48,752.45-20,220.17

Finding the Fourth Proportional to 35,328.49, 48,752.45 and 20,220.17

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Solution

The fourth proportional to 35,328.49, 48,752.45 and 20,220.17 is: 27,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.49 : 48,752.45 = 20,220.17 : x
  2. Step 2: Convert to fraction form
    35,328.49/48,752.45 = 20,220.17/x
  3. Step 3: Cross multiply
    35,328.49x = 48,752.45 × 20,220.17
  4. Step 4: Simplify right side
    35,328.49x = 985,782,557.88
  5. Step 5: Solve for x
    x = 985,782,557.88/35,328.49
  6. Step 6: Final answer
    x = 27,903.33

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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.