Home / 53,966.40-80,914.56-25,885.80

Finding the Fourth Proportional to 53,966.40, 80,914.56 and 25,885.80

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Solution

The fourth proportional to 53,966.40, 80,914.56 and 25,885.80 is: 38,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966.40 : 80,914.56 = 25,885.80 : x
  2. Step 2: Convert to fraction form
    53,966.40/80,914.56 = 25,885.80/x
  3. Step 3: Cross multiply
    53,966.40x = 80,914.56 × 25,885.80
  4. Step 4: Simplify right side
    53,966.40x = 2,094,538,117.25
  5. Step 5: Solve for x
    x = 2,094,538,117.25/53,966.40
  6. Step 6: Final answer
    x = 38,811.89

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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.