Home / 145,052.34-217,579.47-39,882.42

Finding the Fourth Proportional to 145,052.34, 217,579.47 and 39,882.42

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Solution

The fourth proportional to 145,052.34, 217,579.47 and 39,882.42 is: 59,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,052.34 : 217,579.47 = 39,882.42 : x
  2. Step 2: Convert to fraction form
    145,052.34/217,579.47 = 39,882.42/x
  3. Step 3: Cross multiply
    145,052.34x = 217,579.47 × 39,882.42
  4. Step 4: Simplify right side
    145,052.34x = 8,677,595,805.92
  5. Step 5: Solve for x
    x = 8,677,595,805.92/145,052.34
  6. Step 6: Final answer
    x = 59,823.89

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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.