Home / 39,753.63-54,881.34-30,659.10

Finding the Fourth Proportional to 39,753.63, 54,881.34 and 30,659.10

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Solution

The fourth proportional to 39,753.63, 54,881.34 and 30,659.10 is: 42,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.63 : 54,881.34 = 30,659.10 : x
  2. Step 2: Convert to fraction form
    39,753.63/54,881.34 = 30,659.10/x
  3. Step 3: Cross multiply
    39,753.63x = 54,881.34 × 30,659.10
  4. Step 4: Simplify right side
    39,753.63x = 1,682,612,491.19
  5. Step 5: Solve for x
    x = 1,682,612,491.19/39,753.63
  6. Step 6: Final answer
    x = 42,326.01

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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.