Home / 39,528.72-54,457.26-27,570.72

Finding the Fourth Proportional to 39,528.72, 54,457.26 and 27,570.72

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Solution

The fourth proportional to 39,528.72, 54,457.26 and 27,570.72 is: 37,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,528.72 : 54,457.26 = 27,570.72 : x
  2. Step 2: Convert to fraction form
    39,528.72/54,457.26 = 27,570.72/x
  3. Step 3: Cross multiply
    39,528.72x = 54,457.26 × 27,570.72
  4. Step 4: Simplify right side
    39,528.72x = 1,501,425,867.43
  5. Step 5: Solve for x
    x = 1,501,425,867.43/39,528.72
  6. Step 6: Final answer
    x = 37,983.16

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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.