Home / 30,563.36-45,887.64-15,782.96

Finding the Fourth Proportional to 30,563.36, 45,887.64 and 15,782.96

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Solution

The fourth proportional to 30,563.36, 45,887.64 and 15,782.96 is: 23,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.36 : 45,887.64 = 15,782.96 : x
  2. Step 2: Convert to fraction form
    30,563.36/45,887.64 = 15,782.96/x
  3. Step 3: Cross multiply
    30,563.36x = 45,887.64 × 15,782.96
  4. Step 4: Simplify right side
    30,563.36x = 724,242,786.61
  5. Step 5: Solve for x
    x = 724,242,786.61/30,563.36
  6. Step 6: Final answer
    x = 23,696.44

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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.