Home / 38,439.84-53,045.78-21,444.50

Finding the Fourth Proportional to 38,439.84, 53,045.78 and 21,444.50

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Solution

The fourth proportional to 38,439.84, 53,045.78 and 21,444.50 is: 29,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.84 : 53,045.78 = 21,444.50 : x
  2. Step 2: Convert to fraction form
    38,439.84/53,045.78 = 21,444.50/x
  3. Step 3: Cross multiply
    38,439.84x = 53,045.78 × 21,444.50
  4. Step 4: Simplify right side
    38,439.84x = 1,137,540,229.21
  5. Step 5: Solve for x
    x = 1,137,540,229.21/38,439.84
  6. Step 6: Final answer
    x = 29,592.74

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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.