Home / 39,278.88-54,205.20-36,302.40

Finding the Fourth Proportional to 39,278.88, 54,205.20 and 36,302.40

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Solution

The fourth proportional to 39,278.88, 54,205.20 and 36,302.40 is: 50,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.88 : 54,205.20 = 36,302.40 : x
  2. Step 2: Convert to fraction form
    39,278.88/54,205.20 = 36,302.40/x
  3. Step 3: Cross multiply
    39,278.88x = 54,205.20 × 36,302.40
  4. Step 4: Simplify right side
    39,278.88x = 1,967,778,852.48
  5. Step 5: Solve for x
    x = 1,967,778,852.48/39,278.88
  6. Step 6: Final answer
    x = 50,097.63

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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.