Home / 40,142.39-60,220.87-17,955.27

Finding the Fourth Proportional to 40,142.39, 60,220.87 and 17,955.27

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Solution

The fourth proportional to 40,142.39, 60,220.87 and 17,955.27 is: 26,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.39 : 60,220.87 = 17,955.27 : x
  2. Step 2: Convert to fraction form
    40,142.39/60,220.87 = 17,955.27/x
  3. Step 3: Cross multiply
    40,142.39x = 60,220.87 × 17,955.27
  4. Step 4: Simplify right side
    40,142.39x = 1,081,281,935.60
  5. Step 5: Solve for x
    x = 1,081,281,935.60/40,142.39
  6. Step 6: Final answer
    x = 26,936.17

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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.