Home / 39,405.18-54,374.29-25,066.67

Finding the Fourth Proportional to 39,405.18, 54,374.29 and 25,066.67

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Solution

The fourth proportional to 39,405.18, 54,374.29 and 25,066.67 is: 34,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.18 : 54,374.29 = 25,066.67 : x
  2. Step 2: Convert to fraction form
    39,405.18/54,374.29 = 25,066.67/x
  3. Step 3: Cross multiply
    39,405.18x = 54,374.29 × 25,066.67
  4. Step 4: Simplify right side
    39,405.18x = 1,362,982,049.38
  5. Step 5: Solve for x
    x = 1,362,982,049.38/39,405.18
  6. Step 6: Final answer
    x = 34,588.90

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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.