Home / 39,215.16-54,131.21-24,128.06

Finding the Fourth Proportional to 39,215.16, 54,131.21 and 24,128.06

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Solution

The fourth proportional to 39,215.16, 54,131.21 and 24,128.06 is: 33,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.16 : 54,131.21 = 24,128.06 : x
  2. Step 2: Convert to fraction form
    39,215.16/54,131.21 = 24,128.06/x
  3. Step 3: Cross multiply
    39,215.16x = 54,131.21 × 24,128.06
  4. Step 4: Simplify right side
    39,215.16x = 1,306,080,691.46
  5. Step 5: Solve for x
    x = 1,306,080,691.46/39,215.16
  6. Step 6: Final answer
    x = 33,305.50

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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.