Home / 56,346.81-77,759.61-30,853.23

Finding the Fourth Proportional to 56,346.81, 77,759.61 and 30,853.23

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Solution

The fourth proportional to 56,346.81, 77,759.61 and 30,853.23 is: 42,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.81 : 77,759.61 = 30,853.23 : x
  2. Step 2: Convert to fraction form
    56,346.81/77,759.61 = 30,853.23/x
  3. Step 3: Cross multiply
    56,346.81x = 77,759.61 × 30,853.23
  4. Step 4: Simplify right side
    56,346.81x = 2,399,135,132.04
  5. Step 5: Solve for x
    x = 2,399,135,132.04/56,346.81
  6. Step 6: Final answer
    x = 42,578.01

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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.