Home / 39,630.74-54,697.35-30,102.17

Finding the Fourth Proportional to 39,630.74, 54,697.35 and 30,102.17

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Solution

The fourth proportional to 39,630.74, 54,697.35 and 30,102.17 is: 41,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.74 : 54,697.35 = 30,102.17 : x
  2. Step 2: Convert to fraction form
    39,630.74/54,697.35 = 30,102.17/x
  3. Step 3: Cross multiply
    39,630.74x = 54,697.35 × 30,102.17
  4. Step 4: Simplify right side
    39,630.74x = 1,646,508,835.92
  5. Step 5: Solve for x
    x = 1,646,508,835.92/39,630.74
  6. Step 6: Final answer
    x = 41,546.26

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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.