Home / 64,157.36-96,231.42-19,779.48

Finding the Fourth Proportional to 64,157.36, 96,231.42 and 19,779.48

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Solution

The fourth proportional to 64,157.36, 96,231.42 and 19,779.48 is: 29,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,157.36 : 96,231.42 = 19,779.48 : x
  2. Step 2: Convert to fraction form
    64,157.36/96,231.42 = 19,779.48/x
  3. Step 3: Cross multiply
    64,157.36x = 96,231.42 × 19,779.48
  4. Step 4: Simplify right side
    64,157.36x = 1,903,407,447.26
  5. Step 5: Solve for x
    x = 1,903,407,447.26/64,157.36
  6. Step 6: Final answer
    x = 29,667.80

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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.