Home / 54,346.80-81,338.76-30,966.96

Finding the Fourth Proportional to 54,346.80, 81,338.76 and 30,966.96

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Solution

The fourth proportional to 54,346.80, 81,338.76 and 30,966.96 is: 46,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,346.80 : 81,338.76 = 30,966.96 : x
  2. Step 2: Convert to fraction form
    54,346.80/81,338.76 = 30,966.96/x
  3. Step 3: Cross multiply
    54,346.80x = 81,338.76 × 30,966.96
  4. Step 4: Simplify right side
    54,346.80x = 2,518,814,127.37
  5. Step 5: Solve for x
    x = 2,518,814,127.37/54,346.80
  6. Step 6: Final answer
    x = 46,347.05

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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.