Home / 48,854.40-73,281.60-11,918.40

Finding the Fourth Proportional to 48,854.40, 73,281.60 and 11,918.40

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Solution

The fourth proportional to 48,854.40, 73,281.60 and 11,918.40 is: 17,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,854.40 : 73,281.60 = 11,918.40 : x
  2. Step 2: Convert to fraction form
    48,854.40/73,281.60 = 11,918.40/x
  3. Step 3: Cross multiply
    48,854.40x = 73,281.60 × 11,918.40
  4. Step 4: Simplify right side
    48,854.40x = 873,399,421.44
  5. Step 5: Solve for x
    x = 873,399,421.44/48,854.40
  6. Step 6: Final answer
    x = 17,877.60

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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.