Home / 34,908.25-52,382.88-12,721.14

Finding the Fourth Proportional to 34,908.25, 52,382.88 and 12,721.14

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Solution

The fourth proportional to 34,908.25, 52,382.88 and 12,721.14 is: 19,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,908.25 : 52,382.88 = 12,721.14 : x
  2. Step 2: Convert to fraction form
    34,908.25/52,382.88 = 12,721.14/x
  3. Step 3: Cross multiply
    34,908.25x = 52,382.88 × 12,721.14
  4. Step 4: Simplify right side
    34,908.25x = 666,369,950.08
  5. Step 5: Solve for x
    x = 666,369,950.08/34,908.25
  6. Step 6: Final answer
    x = 19,089.18

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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.