Home / 38,355.07-52,930.01-21,362.59

Finding the Fourth Proportional to 38,355.07, 52,930.01 and 21,362.59

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Solution

The fourth proportional to 38,355.07, 52,930.01 and 21,362.59 is: 29,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.07 : 52,930.01 = 21,362.59 : x
  2. Step 2: Convert to fraction form
    38,355.07/52,930.01 = 21,362.59/x
  3. Step 3: Cross multiply
    38,355.07x = 52,930.01 × 21,362.59
  4. Step 4: Simplify right side
    38,355.07x = 1,130,721,804.00
  5. Step 5: Solve for x
    x = 1,130,721,804.00/38,355.07
  6. Step 6: Final answer
    x = 29,480.37

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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.