Home / 35,330.98-48,756.60-20,223.57

Finding the Fourth Proportional to 35,330.98, 48,756.60 and 20,223.57

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Solution

The fourth proportional to 35,330.98, 48,756.60 and 20,223.57 is: 27,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.98 : 48,756.60 = 20,223.57 : x
  2. Step 2: Convert to fraction form
    35,330.98/48,756.60 = 20,223.57/x
  3. Step 3: Cross multiply
    35,330.98x = 48,756.60 × 20,223.57
  4. Step 4: Simplify right side
    35,330.98x = 986,032,513.06
  5. Step 5: Solve for x
    x = 986,032,513.06/35,330.98
  6. Step 6: Final answer
    x = 27,908.44

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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.