Home / 39,366.85-54,325.93-21,461.53

Finding the Fourth Proportional to 39,366.85, 54,325.93 and 21,461.53

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Solution

The fourth proportional to 39,366.85, 54,325.93 and 21,461.53 is: 29,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.85 : 54,325.93 = 21,461.53 : x
  2. Step 2: Convert to fraction form
    39,366.85/54,325.93 = 21,461.53/x
  3. Step 3: Cross multiply
    39,366.85x = 54,325.93 × 21,461.53
  4. Step 4: Simplify right side
    39,366.85x = 1,165,917,197.54
  5. Step 5: Solve for x
    x = 1,165,917,197.54/39,366.85
  6. Step 6: Final answer
    x = 29,616.73

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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.