Home / 57,242.89-85,913.75-39,725.02

Finding the Fourth Proportional to 57,242.89, 85,913.75 and 39,725.02

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Solution

The fourth proportional to 57,242.89, 85,913.75 and 39,725.02 is: 59,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,242.89 : 85,913.75 = 39,725.02 : x
  2. Step 2: Convert to fraction form
    57,242.89/85,913.75 = 39,725.02/x
  3. Step 3: Cross multiply
    57,242.89x = 85,913.75 × 39,725.02
  4. Step 4: Simplify right side
    57,242.89x = 3,412,925,238.40
  5. Step 5: Solve for x
    x = 3,412,925,238.40/57,242.89
  6. Step 6: Final answer
    x = 59,621.82

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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.