Home / 48,513.60-72,748.80-22,226.40

Finding the Fourth Proportional to 48,513.60, 72,748.80 and 22,226.40

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Solution

The fourth proportional to 48,513.60, 72,748.80 and 22,226.40 is: 33,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,513.60 : 72,748.80 = 22,226.40 : x
  2. Step 2: Convert to fraction form
    48,513.60/72,748.80 = 22,226.40/x
  3. Step 3: Cross multiply
    48,513.60x = 72,748.80 × 22,226.40
  4. Step 4: Simplify right side
    48,513.60x = 1,616,943,928.32
  5. Step 5: Solve for x
    x = 1,616,943,928.32/48,513.60
  6. Step 6: Final answer
    x = 33,329.70

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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.