Home / 39,444.66-54,451.24-30,693.54

Finding the Fourth Proportional to 39,444.66, 54,451.24 and 30,693.54

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Solution

The fourth proportional to 39,444.66, 54,451.24 and 30,693.54 is: 42,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.66 : 54,451.24 = 30,693.54 : x
  2. Step 2: Convert to fraction form
    39,444.66/54,451.24 = 30,693.54/x
  3. Step 3: Cross multiply
    39,444.66x = 54,451.24 × 30,693.54
  4. Step 4: Simplify right side
    39,444.66x = 1,671,301,312.99
  5. Step 5: Solve for x
    x = 1,671,301,312.99/39,444.66
  6. Step 6: Final answer
    x = 42,370.79

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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.