Home / 54,319.68-81,489.24-23,157.36

Finding the Fourth Proportional to 54,319.68, 81,489.24 and 23,157.36

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Solution

The fourth proportional to 54,319.68, 81,489.24 and 23,157.36 is: 34,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.68 : 81,489.24 = 23,157.36 : x
  2. Step 2: Convert to fraction form
    54,319.68/81,489.24 = 23,157.36/x
  3. Step 3: Cross multiply
    54,319.68x = 81,489.24 × 23,157.36
  4. Step 4: Simplify right side
    54,319.68x = 1,887,075,666.81
  5. Step 5: Solve for x
    x = 1,887,075,666.81/54,319.68
  6. Step 6: Final answer
    x = 34,740.18

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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.