Home / 39,462.79-54,424.69-35,161.69

Finding the Fourth Proportional to 39,462.79, 54,424.69 and 35,161.69

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Solution

The fourth proportional to 39,462.79, 54,424.69 and 35,161.69 is: 48,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.79 : 54,424.69 = 35,161.69 : x
  2. Step 2: Convert to fraction form
    39,462.79/54,424.69 = 35,161.69/x
  3. Step 3: Cross multiply
    39,462.79x = 54,424.69 × 35,161.69
  4. Step 4: Simplify right side
    39,462.79x = 1,913,664,078.13
  5. Step 5: Solve for x
    x = 1,913,664,078.13/39,462.79
  6. Step 6: Final answer
    x = 48,492.87

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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.