Home / 56,019.04-77,305.80-30,868

Finding the Fourth Proportional to 56,019.04, 77,305.80 and 30,868

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Solution

The fourth proportional to 56,019.04, 77,305.80 and 30,868 is: 42,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,019.04 : 77,305.80 = 30,868 : x
  2. Step 2: Convert to fraction form
    56,019.04/77,305.80 = 30,868/x
  3. Step 3: Cross multiply
    56,019.04x = 77,305.80 × 30,868
  4. Step 4: Simplify right side
    56,019.04x = 2,386,275,434.40
  5. Step 5: Solve for x
    x = 2,386,275,434.40/56,019.04
  6. Step 6: Final answer
    x = 42,597.58

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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.