Home / 56,386.33-77,813.09-30,894.28

Finding the Fourth Proportional to 56,386.33, 77,813.09 and 30,894.28

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Solution

The fourth proportional to 56,386.33, 77,813.09 and 30,894.28 is: 42,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,386.33 : 77,813.09 = 30,894.28 : x
  2. Step 2: Convert to fraction form
    56,386.33/77,813.09 = 30,894.28/x
  3. Step 3: Cross multiply
    56,386.33x = 77,813.09 × 30,894.28
  4. Step 4: Simplify right side
    56,386.33x = 2,403,979,594.67
  5. Step 5: Solve for x
    x = 2,403,979,594.67/56,386.33
  6. Step 6: Final answer
    x = 42,634.09

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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.