Home / 42,536.63-63,807.57-12,956.64

Finding the Fourth Proportional to 42,536.63, 63,807.57 and 12,956.64

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Solution

The fourth proportional to 42,536.63, 63,807.57 and 12,956.64 is: 19,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,536.63 : 63,807.57 = 12,956.64 : x
  2. Step 2: Convert to fraction form
    42,536.63/63,807.57 = 12,956.64/x
  3. Step 3: Cross multiply
    42,536.63x = 63,807.57 × 12,956.64
  4. Step 4: Simplify right side
    42,536.63x = 826,731,713.76
  5. Step 5: Solve for x
    x = 826,731,713.76/42,536.63
  6. Step 6: Final answer
    x = 19,435.76

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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.