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Finding the Fourth Proportional to 35,473.40, 53,123.70 and 16,983.80

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Solution

The fourth proportional to 35,473.40, 53,123.70 and 16,983.80 is: 25,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,473.40 : 53,123.70 = 16,983.80 : x
  2. Step 2: Convert to fraction form
    35,473.40/53,123.70 = 16,983.80/x
  3. Step 3: Cross multiply
    35,473.40x = 53,123.70 × 16,983.80
  4. Step 4: Simplify right side
    35,473.40x = 902,242,296.06
  5. Step 5: Solve for x
    x = 902,242,296.06/35,473.40
  6. Step 6: Final answer
    x = 25,434.33

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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.