Home / 69,580.50-96,021.06-39,365.20

Finding the Fourth Proportional to 69,580.50, 96,021.06 and 39,365.20

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Solution

The fourth proportional to 69,580.50, 96,021.06 and 39,365.20 is: 54,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,580.50 : 96,021.06 = 39,365.20 : x
  2. Step 2: Convert to fraction form
    69,580.50/96,021.06 = 39,365.20/x
  3. Step 3: Cross multiply
    69,580.50x = 96,021.06 × 39,365.20
  4. Step 4: Simplify right side
    69,580.50x = 3,779,888,231.11
  5. Step 5: Solve for x
    x = 3,779,888,231.11/69,580.50
  6. Step 6: Final answer
    x = 54,323.96

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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.