Home / 40,140.81-55,394.69-23,150.25

Finding the Fourth Proportional to 40,140.81, 55,394.69 and 23,150.25

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Solution

The fourth proportional to 40,140.81, 55,394.69 and 23,150.25 is: 31,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.81 : 55,394.69 = 23,150.25 : x
  2. Step 2: Convert to fraction form
    40,140.81/55,394.69 = 23,150.25/x
  3. Step 3: Cross multiply
    40,140.81x = 55,394.69 × 23,150.25
  4. Step 4: Simplify right side
    40,140.81x = 1,282,400,806.42
  5. Step 5: Solve for x
    x = 1,282,400,806.42/40,140.81
  6. Step 6: Final answer
    x = 31,947.56

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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.