Home / 39,050.27-53,889.29-21,145.33

Finding the Fourth Proportional to 39,050.27, 53,889.29 and 21,145.33

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Solution

The fourth proportional to 39,050.27, 53,889.29 and 21,145.33 is: 29,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,050.27 : 53,889.29 = 21,145.33 : x
  2. Step 2: Convert to fraction form
    39,050.27/53,889.29 = 21,145.33/x
  3. Step 3: Cross multiply
    39,050.27x = 53,889.29 × 21,145.33
  4. Step 4: Simplify right side
    39,050.27x = 1,139,506,551.07
  5. Step 5: Solve for x
    x = 1,139,506,551.07/39,050.27
  6. Step 6: Final answer
    x = 29,180.50

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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.