Home / 56,392.14-77,821.14-30,899.47

Finding the Fourth Proportional to 56,392.14, 77,821.14 and 30,899.47

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Solution

The fourth proportional to 56,392.14, 77,821.14 and 30,899.47 is: 42,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,392.14 : 77,821.14 = 30,899.47 : x
  2. Step 2: Convert to fraction form
    56,392.14/77,821.14 = 30,899.47/x
  3. Step 3: Cross multiply
    56,392.14x = 77,821.14 × 30,899.47
  4. Step 4: Simplify right side
    56,392.14x = 2,404,631,980.80
  5. Step 5: Solve for x
    x = 2,404,631,980.80/56,392.14
  6. Step 6: Final answer
    x = 42,641.26

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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.