Home / 54,555.48-75,280.43-30,681.64

Finding the Fourth Proportional to 54,555.48, 75,280.43 and 30,681.64

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Solution

The fourth proportional to 54,555.48, 75,280.43 and 30,681.64 is: 42,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.48 : 75,280.43 = 30,681.64 : x
  2. Step 2: Convert to fraction form
    54,555.48/75,280.43 = 30,681.64/x
  3. Step 3: Cross multiply
    54,555.48x = 75,280.43 × 30,681.64
  4. Step 4: Simplify right side
    54,555.48x = 2,309,727,052.31
  5. Step 5: Solve for x
    x = 2,309,727,052.31/54,555.48
  6. Step 6: Final answer
    x = 42,337.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.