Home / 39,353.28-54,308.14-21,448.26

Finding the Fourth Proportional to 39,353.28, 54,308.14 and 21,448.26

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Solution

The fourth proportional to 39,353.28, 54,308.14 and 21,448.26 is: 29,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.28 : 54,308.14 = 21,448.26 : x
  2. Step 2: Convert to fraction form
    39,353.28/54,308.14 = 21,448.26/x
  3. Step 3: Cross multiply
    39,353.28x = 54,308.14 × 21,448.26
  4. Step 4: Simplify right side
    39,353.28x = 1,164,815,053.22
  5. Step 5: Solve for x
    x = 1,164,815,053.22/39,353.28
  6. Step 6: Final answer
    x = 29,598.93

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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.