Home / 39,040.08-58,618.44-38,456.88

Finding the Fourth Proportional to 39,040.08, 58,618.44 and 38,456.88

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Solution

The fourth proportional to 39,040.08, 58,618.44 and 38,456.88 is: 57,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.08 : 58,618.44 = 38,456.88 : x
  2. Step 2: Convert to fraction form
    39,040.08/58,618.44 = 38,456.88/x
  3. Step 3: Cross multiply
    39,040.08x = 58,618.44 × 38,456.88
  4. Step 4: Simplify right side
    39,040.08x = 2,254,282,312.87
  5. Step 5: Solve for x
    x = 2,254,282,312.87/39,040.08
  6. Step 6: Final answer
    x = 57,742.77

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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.