Home / 48,736.98-72,939.13-40,848.40

Finding the Fourth Proportional to 48,736.98, 72,939.13 and 40,848.40

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Solution

The fourth proportional to 48,736.98, 72,939.13 and 40,848.40 is: 61,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736.98 : 72,939.13 = 40,848.40 : x
  2. Step 2: Convert to fraction form
    48,736.98/72,939.13 = 40,848.40/x
  3. Step 3: Cross multiply
    48,736.98x = 72,939.13 × 40,848.40
  4. Step 4: Simplify right side
    48,736.98x = 2,979,446,757.89
  5. Step 5: Solve for x
    x = 2,979,446,757.89/48,736.98
  6. Step 6: Final answer
    x = 61,133.18

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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.