Home / 55,222.40-76,207.78-30,071.88

Finding the Fourth Proportional to 55,222.40, 76,207.78 and 30,071.88

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Solution

The fourth proportional to 55,222.40, 76,207.78 and 30,071.88 is: 41,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.40 : 76,207.78 = 30,071.88 : x
  2. Step 2: Convert to fraction form
    55,222.40/76,207.78 = 30,071.88/x
  3. Step 3: Cross multiply
    55,222.40x = 76,207.78 × 30,071.88
  4. Step 4: Simplify right side
    55,222.40x = 2,291,711,215.23
  5. Step 5: Solve for x
    x = 2,291,711,215.23/55,222.40
  6. Step 6: Final answer
    x = 41,499.67

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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.