Home / 55,419.44-76,477.72-31,545.60

Finding the Fourth Proportional to 55,419.44, 76,477.72 and 31,545.60

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Solution

The fourth proportional to 55,419.44, 76,477.72 and 31,545.60 is: 43,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.44 : 76,477.72 = 31,545.60 : x
  2. Step 2: Convert to fraction form
    55,419.44/76,477.72 = 31,545.60/x
  3. Step 3: Cross multiply
    55,419.44x = 76,477.72 × 31,545.60
  4. Step 4: Simplify right side
    55,419.44x = 2,412,535,564.03
  5. Step 5: Solve for x
    x = 2,412,535,564.03/55,419.44
  6. Step 6: Final answer
    x = 43,532.30

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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.