Home / 39,273.60-54,197.04-21,368.40

Finding the Fourth Proportional to 39,273.60, 54,197.04 and 21,368.40

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Solution

The fourth proportional to 39,273.60, 54,197.04 and 21,368.40 is: 29,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.60 : 54,197.04 = 21,368.40 : x
  2. Step 2: Convert to fraction form
    39,273.60/54,197.04 = 21,368.40/x
  3. Step 3: Cross multiply
    39,273.60x = 54,197.04 × 21,368.40
  4. Step 4: Simplify right side
    39,273.60x = 1,158,104,029.54
  5. Step 5: Solve for x
    x = 1,158,104,029.54/39,273.60
  6. Step 6: Final answer
    x = 29,488.10

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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.