Home / 39,320.40-54,253.68-23,401.74

Finding the Fourth Proportional to 39,320.40, 54,253.68 and 23,401.74

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Solution

The fourth proportional to 39,320.40, 54,253.68 and 23,401.74 is: 32,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320.40 : 54,253.68 = 23,401.74 : x
  2. Step 2: Convert to fraction form
    39,320.40/54,253.68 = 23,401.74/x
  3. Step 3: Cross multiply
    39,320.40x = 54,253.68 × 23,401.74
  4. Step 4: Simplify right side
    39,320.40x = 1,269,630,513.40
  5. Step 5: Solve for x
    x = 1,269,630,513.40/39,320.40
  6. Step 6: Final answer
    x = 32,289.36

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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.