Home / 57,677.90-86,475.30-35,445.32

Finding the Fourth Proportional to 57,677.90, 86,475.30 and 35,445.32

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Solution

The fourth proportional to 57,677.90, 86,475.30 and 35,445.32 is: 53,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.90 : 86,475.30 = 35,445.32 : x
  2. Step 2: Convert to fraction form
    57,677.90/86,475.30 = 35,445.32/x
  3. Step 3: Cross multiply
    57,677.90x = 86,475.30 × 35,445.32
  4. Step 4: Simplify right side
    57,677.90x = 3,065,144,680.60
  5. Step 5: Solve for x
    x = 3,065,144,680.60/57,677.90
  6. Step 6: Final answer
    x = 53,142.45

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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.