Home / 53,955.54-80,932.35-20,666.58

Finding the Fourth Proportional to 53,955.54, 80,932.35 and 20,666.58

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Solution

The fourth proportional to 53,955.54, 80,932.35 and 20,666.58 is: 30,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.54 : 80,932.35 = 20,666.58 : x
  2. Step 2: Convert to fraction form
    53,955.54/80,932.35 = 20,666.58/x
  3. Step 3: Cross multiply
    53,955.54x = 80,932.35 × 20,666.58
  4. Step 4: Simplify right side
    53,955.54x = 1,672,594,885.86
  5. Step 5: Solve for x
    x = 1,672,594,885.86/53,955.54
  6. Step 6: Final answer
    x = 30,999.50

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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.