Home / 56,386.26-77,813.02-30,894.25

Finding the Fourth Proportional to 56,386.26, 77,813.02 and 30,894.25

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Solution

The fourth proportional to 56,386.26, 77,813.02 and 30,894.25 is: 42,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,386.26 : 77,813.02 = 30,894.25 : x
  2. Step 2: Convert to fraction form
    56,386.26/77,813.02 = 30,894.25/x
  3. Step 3: Cross multiply
    56,386.26x = 77,813.02 × 30,894.25
  4. Step 4: Simplify right side
    56,386.26x = 2,403,974,893.14
  5. Step 5: Solve for x
    x = 2,403,974,893.14/56,386.26
  6. Step 6: Final answer
    x = 42,634.05

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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.