Home / 53,278.20-79,917.30-29,901.60

Finding the Fourth Proportional to 53,278.20, 79,917.30 and 29,901.60

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Solution

The fourth proportional to 53,278.20, 79,917.30 and 29,901.60 is: 44,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.20 : 79,917.30 = 29,901.60 : x
  2. Step 2: Convert to fraction form
    53,278.20/79,917.30 = 29,901.60/x
  3. Step 3: Cross multiply
    53,278.20x = 79,917.30 × 29,901.60
  4. Step 4: Simplify right side
    53,278.20x = 2,389,655,137.68
  5. Step 5: Solve for x
    x = 2,389,655,137.68/53,278.20
  6. Step 6: Final answer
    x = 44,852.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.