Home / 48,179.05-72,263.38-12,643.93

Finding the Fourth Proportional to 48,179.05, 72,263.38 and 12,643.93

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Solution

The fourth proportional to 48,179.05, 72,263.38 and 12,643.93 is: 18,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,179.05 : 72,263.38 = 12,643.93 : x
  2. Step 2: Convert to fraction form
    48,179.05/72,263.38 = 12,643.93/x
  3. Step 3: Cross multiply
    48,179.05x = 72,263.38 × 12,643.93
  4. Step 4: Simplify right side
    48,179.05x = 913,693,110.51
  5. Step 5: Solve for x
    x = 913,693,110.51/48,179.05
  6. Step 6: Final answer
    x = 18,964.53

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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.