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Finding the Fourth Proportional to 51,653.25, 77,492.88 and 14,717.25

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Solution

The fourth proportional to 51,653.25, 77,492.88 and 14,717.25 is: 22,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.25 : 77,492.88 = 14,717.25 : x
  2. Step 2: Convert to fraction form
    51,653.25/77,492.88 = 14,717.25/x
  3. Step 3: Cross multiply
    51,653.25x = 77,492.88 × 14,717.25
  4. Step 4: Simplify right side
    51,653.25x = 1,140,482,088.18
  5. Step 5: Solve for x
    x = 1,140,482,088.18/51,653.25
  6. Step 6: Final answer
    x = 22,079.58

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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.