Home / 35,970.84-53,956.32-12,591.96

Finding the Fourth Proportional to 35,970.84, 53,956.32 and 12,591.96

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Solution

The fourth proportional to 35,970.84, 53,956.32 and 12,591.96 is: 18,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.84 : 53,956.32 = 12,591.96 : x
  2. Step 2: Convert to fraction form
    35,970.84/53,956.32 = 12,591.96/x
  3. Step 3: Cross multiply
    35,970.84x = 53,956.32 × 12,591.96
  4. Step 4: Simplify right side
    35,970.84x = 679,415,823.19
  5. Step 5: Solve for x
    x = 679,415,823.19/35,970.84
  6. Step 6: Final answer
    x = 18,887.96

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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.