Home / 57,931.21-79,938.05-32,435.58

Finding the Fourth Proportional to 57,931.21, 79,938.05 and 32,435.58

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Solution

The fourth proportional to 57,931.21, 79,938.05 and 32,435.58 is: 44,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931.21 : 79,938.05 = 32,435.58 : x
  2. Step 2: Convert to fraction form
    57,931.21/79,938.05 = 32,435.58/x
  3. Step 3: Cross multiply
    57,931.21x = 79,938.05 × 32,435.58
  4. Step 4: Simplify right side
    57,931.21x = 2,592,837,015.82
  5. Step 5: Solve for x
    x = 2,592,837,015.82/57,931.21
  6. Step 6: Final answer
    x = 44,757.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.