Home / 63,742.12-87,956.98-35,446.12

Finding the Fourth Proportional to 63,742.12, 87,956.98 and 35,446.12

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Solution

The fourth proportional to 63,742.12, 87,956.98 and 35,446.12 is: 48,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.12 : 87,956.98 = 35,446.12 : x
  2. Step 2: Convert to fraction form
    63,742.12/87,956.98 = 35,446.12/x
  3. Step 3: Cross multiply
    63,742.12x = 87,956.98 × 35,446.12
  4. Step 4: Simplify right side
    63,742.12x = 3,117,733,667.92
  5. Step 5: Solve for x
    x = 3,117,733,667.92/63,742.12
  6. Step 6: Final answer
    x = 48,911.67

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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.