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Finding the Fourth Proportional to 35,033.94, 48,347.91 and 19,928.78

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Solution

The fourth proportional to 35,033.94, 48,347.91 and 19,928.78 is: 27,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,033.94 : 48,347.91 = 19,928.78 : x
  2. Step 2: Convert to fraction form
    35,033.94/48,347.91 = 19,928.78/x
  3. Step 3: Cross multiply
    35,033.94x = 48,347.91 × 19,928.78
  4. Step 4: Simplify right side
    35,033.94x = 963,514,861.85
  5. Step 5: Solve for x
    x = 963,514,861.85/35,033.94
  6. Step 6: Final answer
    x = 27,502.33

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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.