Home / 48,990.24-67,606.80-28,848

Finding the Fourth Proportional to 48,990.24, 67,606.80 and 28,848

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Solution

The fourth proportional to 48,990.24, 67,606.80 and 28,848 is: 39,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.24 : 67,606.80 = 28,848 : x
  2. Step 2: Convert to fraction form
    48,990.24/67,606.80 = 28,848/x
  3. Step 3: Cross multiply
    48,990.24x = 67,606.80 × 28,848
  4. Step 4: Simplify right side
    48,990.24x = 1,950,320,966.40
  5. Step 5: Solve for x
    x = 1,950,320,966.40/48,990.24
  6. Step 6: Final answer
    x = 39,810.40

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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.