Home / 47,102.40-70,609.68-15,915.84

Finding the Fourth Proportional to 47,102.40, 70,609.68 and 15,915.84

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Solution

The fourth proportional to 47,102.40, 70,609.68 and 15,915.84 is: 23,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.40 : 70,609.68 = 15,915.84 : x
  2. Step 2: Convert to fraction form
    47,102.40/70,609.68 = 15,915.84/x
  3. Step 3: Cross multiply
    47,102.40x = 70,609.68 × 15,915.84
  4. Step 4: Simplify right side
    47,102.40x = 1,123,812,369.33
  5. Step 5: Solve for x
    x = 1,123,812,369.33/47,102.40
  6. Step 6: Final answer
    x = 23,858.92

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1.5x scale

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.