Home / 54,885.60-82,328.40-13,332.60

Finding the Fourth Proportional to 54,885.60, 82,328.40 and 13,332.60

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Solution

The fourth proportional to 54,885.60, 82,328.40 and 13,332.60 is: 19,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.60 : 82,328.40 = 13,332.60 : x
  2. Step 2: Convert to fraction form
    54,885.60/82,328.40 = 13,332.60/x
  3. Step 3: Cross multiply
    54,885.60x = 82,328.40 × 13,332.60
  4. Step 4: Simplify right side
    54,885.60x = 1,097,651,625.84
  5. Step 5: Solve for x
    x = 1,097,651,625.84/54,885.60
  6. Step 6: Final answer
    x = 19,998.90

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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.