Home / 48,606.21-72,928.35-19,018.98

Finding the Fourth Proportional to 48,606.21, 72,928.35 and 19,018.98

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Solution

The fourth proportional to 48,606.21, 72,928.35 and 19,018.98 is: 28,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606.21 : 72,928.35 = 19,018.98 : x
  2. Step 2: Convert to fraction form
    48,606.21/72,928.35 = 19,018.98/x
  3. Step 3: Cross multiply
    48,606.21x = 72,928.35 × 19,018.98
  4. Step 4: Simplify right side
    48,606.21x = 1,387,022,830.08
  5. Step 5: Solve for x
    x = 1,387,022,830.08/48,606.21
  6. Step 6: Final answer
    x = 28,535.92

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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.