Home / 52,836.84-72,915.66-31,617

Finding the Fourth Proportional to 52,836.84, 72,915.66 and 31,617

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Solution

The fourth proportional to 52,836.84, 72,915.66 and 31,617 is: 43,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,836.84 : 72,915.66 = 31,617 : x
  2. Step 2: Convert to fraction form
    52,836.84/72,915.66 = 31,617/x
  3. Step 3: Cross multiply
    52,836.84x = 72,915.66 × 31,617
  4. Step 4: Simplify right side
    52,836.84x = 2,305,374,422.22
  5. Step 5: Solve for x
    x = 2,305,374,422.22/52,836.84
  6. Step 6: Final answer
    x = 43,631.95

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1.5x scale

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.