Home / 53,276.32-79,887.60-19,995.04

Finding the Fourth Proportional to 53,276.32, 79,887.60 and 19,995.04

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Solution

The fourth proportional to 53,276.32, 79,887.60 and 19,995.04 is: 29,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276.32 : 79,887.60 = 19,995.04 : x
  2. Step 2: Convert to fraction form
    53,276.32/79,887.60 = 19,995.04/x
  3. Step 3: Cross multiply
    53,276.32x = 79,887.60 × 19,995.04
  4. Step 4: Simplify right side
    53,276.32x = 1,597,355,757.50
  5. Step 5: Solve for x
    x = 1,597,355,757.50/53,276.32
  6. Step 6: Final answer
    x = 29,982.47

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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.