Home / 51,792.58-77,691.30-18,528.40

Finding the Fourth Proportional to 51,792.58, 77,691.30 and 18,528.40

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Solution

The fourth proportional to 51,792.58, 77,691.30 and 18,528.40 is: 27,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.58 : 77,691.30 = 18,528.40 : x
  2. Step 2: Convert to fraction form
    51,792.58/77,691.30 = 18,528.40/x
  3. Step 3: Cross multiply
    51,792.58x = 77,691.30 × 18,528.40
  4. Step 4: Simplify right side
    51,792.58x = 1,439,495,482.92
  5. Step 5: Solve for x
    x = 1,439,495,482.92/51,792.58
  6. Step 6: Final answer
    x = 27,793.47

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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.