Home / 39,347.84-54,298.64-21,442.48

Finding the Fourth Proportional to 39,347.84, 54,298.64 and 21,442.48

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Solution

The fourth proportional to 39,347.84, 54,298.64 and 21,442.48 is: 29,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.84 : 54,298.64 = 21,442.48 : x
  2. Step 2: Convert to fraction form
    39,347.84/54,298.64 = 21,442.48/x
  3. Step 3: Cross multiply
    39,347.84x = 54,298.64 × 21,442.48
  4. Step 4: Simplify right side
    39,347.84x = 1,164,297,502.23
  5. Step 5: Solve for x
    x = 1,164,297,502.23/39,347.84
  6. Step 6: Final answer
    x = 29,589.87

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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.