Home / 39,125.92-54,014.69-30,609.94

Finding the Fourth Proportional to 39,125.92, 54,014.69 and 30,609.94

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Solution

The fourth proportional to 39,125.92, 54,014.69 and 30,609.94 is: 42,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.92 : 54,014.69 = 30,609.94 : x
  2. Step 2: Convert to fraction form
    39,125.92/54,014.69 = 30,609.94/x
  3. Step 3: Cross multiply
    39,125.92x = 54,014.69 × 30,609.94
  4. Step 4: Simplify right side
    39,125.92x = 1,653,386,420.02
  5. Step 5: Solve for x
    x = 1,653,386,420.02/39,125.92
  6. Step 6: Final answer
    x = 42,258.08

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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.