Home / 37,913.58-56,877.12-12,956.40

Finding the Fourth Proportional to 37,913.58, 56,877.12 and 12,956.40

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Solution

The fourth proportional to 37,913.58, 56,877.12 and 12,956.40 is: 19,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.58 : 56,877.12 = 12,956.40 : x
  2. Step 2: Convert to fraction form
    37,913.58/56,877.12 = 12,956.40/x
  3. Step 3: Cross multiply
    37,913.58x = 56,877.12 × 12,956.40
  4. Step 4: Simplify right side
    37,913.58x = 736,922,717.57
  5. Step 5: Solve for x
    x = 736,922,717.57/37,913.58
  6. Step 6: Final answer
    x = 19,436.91

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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.