Home / 39,725.79-54,830.33-27,478.43

Finding the Fourth Proportional to 39,725.79, 54,830.33 and 27,478.43

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Solution

The fourth proportional to 39,725.79, 54,830.33 and 27,478.43 is: 37,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.79 : 54,830.33 = 27,478.43 : x
  2. Step 2: Convert to fraction form
    39,725.79/54,830.33 = 27,478.43/x
  3. Step 3: Cross multiply
    39,725.79x = 54,830.33 × 27,478.43
  4. Step 4: Simplify right side
    39,725.79x = 1,506,650,973.24
  5. Step 5: Solve for x
    x = 1,506,650,973.24/39,725.79
  6. Step 6: Final answer
    x = 37,926.27

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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.