Home / 37,718.84-56,578.42-12,759.02

Finding the Fourth Proportional to 37,718.84, 56,578.42 and 12,759.02

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Solution

The fourth proportional to 37,718.84, 56,578.42 and 12,759.02 is: 19,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.84 : 56,578.42 = 12,759.02 : x
  2. Step 2: Convert to fraction form
    37,718.84/56,578.42 = 12,759.02/x
  3. Step 3: Cross multiply
    37,718.84x = 56,578.42 × 12,759.02
  4. Step 4: Simplify right side
    37,718.84x = 721,885,192.35
  5. Step 5: Solve for x
    x = 721,885,192.35/37,718.84
  6. Step 6: Final answer
    x = 19,138.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.