Home / 48,702.45-73,086.48-19,116.78

Finding the Fourth Proportional to 48,702.45, 73,086.48 and 19,116.78

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Solution

The fourth proportional to 48,702.45, 73,086.48 and 19,116.78 is: 28,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,702.45 : 73,086.48 = 19,116.78 : x
  2. Step 2: Convert to fraction form
    48,702.45/73,086.48 = 19,116.78/x
  3. Step 3: Cross multiply
    48,702.45x = 73,086.48 × 19,116.78
  4. Step 4: Simplify right side
    48,702.45x = 1,397,178,159.13
  5. Step 5: Solve for x
    x = 1,397,178,159.13/48,702.45
  6. Step 6: Final answer
    x = 28,688.05

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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.