Home / 54,362.50-75,023.35-30,487.28

Finding the Fourth Proportional to 54,362.50, 75,023.35 and 30,487.28

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Solution

The fourth proportional to 54,362.50, 75,023.35 and 30,487.28 is: 42,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.50 : 75,023.35 = 30,487.28 : x
  2. Step 2: Convert to fraction form
    54,362.50/75,023.35 = 30,487.28/x
  3. Step 3: Cross multiply
    54,362.50x = 75,023.35 × 30,487.28
  4. Step 4: Simplify right side
    54,362.50x = 2,287,257,426.65
  5. Step 5: Solve for x
    x = 2,287,257,426.65/54,362.50
  6. Step 6: Final answer
    x = 42,074.18

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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.