Home / 56,371.02-77,791.95-31,220.52

Finding the Fourth Proportional to 56,371.02, 77,791.95 and 31,220.52

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Solution

The fourth proportional to 56,371.02, 77,791.95 and 31,220.52 is: 43,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,371.02 : 77,791.95 = 31,220.52 : x
  2. Step 2: Convert to fraction form
    56,371.02/77,791.95 = 31,220.52/x
  3. Step 3: Cross multiply
    56,371.02x = 77,791.95 × 31,220.52
  4. Step 4: Simplify right side
    56,371.02x = 2,428,705,130.81
  5. Step 5: Solve for x
    x = 2,428,705,130.81/56,371.02
  6. Step 6: Final answer
    x = 43,084.29

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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.