Home / 48,938.43-73,384.47-18,966.72

Finding the Fourth Proportional to 48,938.43, 73,384.47 and 18,966.72

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Solution

The fourth proportional to 48,938.43, 73,384.47 and 18,966.72 is: 28,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.43 : 73,384.47 = 18,966.72 : x
  2. Step 2: Convert to fraction form
    48,938.43/73,384.47 = 18,966.72/x
  3. Step 3: Cross multiply
    48,938.43x = 73,384.47 × 18,966.72
  4. Step 4: Simplify right side
    48,938.43x = 1,391,862,694.84
  5. Step 5: Solve for x
    x = 1,391,862,694.84/48,938.43
  6. Step 6: Final answer
    x = 28,441.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.