Home / 54,560.80-81,841.20-19,501.60

Finding the Fourth Proportional to 54,560.80, 81,841.20 and 19,501.60

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Solution

The fourth proportional to 54,560.80, 81,841.20 and 19,501.60 is: 29,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560.80 : 81,841.20 = 19,501.60 : x
  2. Step 2: Convert to fraction form
    54,560.80/81,841.20 = 19,501.60/x
  3. Step 3: Cross multiply
    54,560.80x = 81,841.20 × 19,501.60
  4. Step 4: Simplify right side
    54,560.80x = 1,596,034,345.92
  5. Step 5: Solve for x
    x = 1,596,034,345.92/54,560.80
  6. Step 6: Final answer
    x = 29,252.40

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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.