Home / 55,078.11-76,001.63-31,199.67

Finding the Fourth Proportional to 55,078.11, 76,001.63 and 31,199.67

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Solution

The fourth proportional to 55,078.11, 76,001.63 and 31,199.67 is: 43,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.11 : 76,001.63 = 31,199.67 : x
  2. Step 2: Convert to fraction form
    55,078.11/76,001.63 = 31,199.67/x
  3. Step 3: Cross multiply
    55,078.11x = 76,001.63 × 31,199.67
  4. Step 4: Simplify right side
    55,078.11x = 2,371,225,619.46
  5. Step 5: Solve for x
    x = 2,371,225,619.46/55,078.11
  6. Step 6: Final answer
    x = 43,052.05

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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.