Home / 40,101.47-55,345.85-23,102.40

Finding the Fourth Proportional to 40,101.47, 55,345.85 and 23,102.40

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Solution

The fourth proportional to 40,101.47, 55,345.85 and 23,102.40 is: 31,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.47 : 55,345.85 = 23,102.40 : x
  2. Step 2: Convert to fraction form
    40,101.47/55,345.85 = 23,102.40/x
  3. Step 3: Cross multiply
    40,101.47x = 55,345.85 × 23,102.40
  4. Step 4: Simplify right side
    40,101.47x = 1,278,621,965.04
  5. Step 5: Solve for x
    x = 1,278,621,965.04/40,101.47
  6. Step 6: Final answer
    x = 31,884.67

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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.