Home / 48,399.39-72,570.81-18,782.62

Finding the Fourth Proportional to 48,399.39, 72,570.81 and 18,782.62

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Solution

The fourth proportional to 48,399.39, 72,570.81 and 18,782.62 is: 28,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,399.39 : 72,570.81 = 18,782.62 : x
  2. Step 2: Convert to fraction form
    48,399.39/72,570.81 = 18,782.62/x
  3. Step 3: Cross multiply
    48,399.39x = 72,570.81 × 18,782.62
  4. Step 4: Simplify right side
    48,399.39x = 1,363,069,947.32
  5. Step 5: Solve for x
    x = 1,363,069,947.32/48,399.39
  6. Step 6: Final answer
    x = 28,162.96

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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.