Home / 39,980.36-55,150.80-24,875.48

Finding the Fourth Proportional to 39,980.36, 55,150.80 and 24,875.48

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Solution

The fourth proportional to 39,980.36, 55,150.80 and 24,875.48 is: 34,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.36 : 55,150.80 = 24,875.48 : x
  2. Step 2: Convert to fraction form
    39,980.36/55,150.80 = 24,875.48/x
  3. Step 3: Cross multiply
    39,980.36x = 55,150.80 × 24,875.48
  4. Step 4: Simplify right side
    39,980.36x = 1,371,902,622.38
  5. Step 5: Solve for x
    x = 1,371,902,622.38/39,980.36
  6. Step 6: Final answer
    x = 34,314.41

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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.