Home / 31,194.84-42,975.90-21,746.52

Finding the Fourth Proportional to 31,194.84, 42,975.90 and 21,746.52

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Solution

The fourth proportional to 31,194.84, 42,975.90 and 21,746.52 is: 29,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,194.84 : 42,975.90 = 21,746.52 : x
  2. Step 2: Convert to fraction form
    31,194.84/42,975.90 = 21,746.52/x
  3. Step 3: Cross multiply
    31,194.84x = 42,975.90 × 21,746.52
  4. Step 4: Simplify right side
    31,194.84x = 934,576,268.87
  5. Step 5: Solve for x
    x = 934,576,268.87/31,194.84
  6. Step 6: Final answer
    x = 29,959.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.