Home / 39,956.07-55,139.60-22,051.12

Finding the Fourth Proportional to 39,956.07, 55,139.60 and 22,051.12

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Solution

The fourth proportional to 39,956.07, 55,139.60 and 22,051.12 is: 30,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.07 : 55,139.60 = 22,051.12 : x
  2. Step 2: Convert to fraction form
    39,956.07/55,139.60 = 22,051.12/x
  3. Step 3: Cross multiply
    39,956.07x = 55,139.60 × 22,051.12
  4. Step 4: Simplify right side
    39,956.07x = 1,215,889,936.35
  5. Step 5: Solve for x
    x = 1,215,889,936.35/39,956.07
  6. Step 6: Final answer
    x = 30,430.67

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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.