Home / 63,438.30-87,548.40-36,222.42

Finding the Fourth Proportional to 63,438.30, 87,548.40 and 36,222.42

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Solution

The fourth proportional to 63,438.30, 87,548.40 and 36,222.42 is: 49,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.30 : 87,548.40 = 36,222.42 : x
  2. Step 2: Convert to fraction form
    63,438.30/87,548.40 = 36,222.42/x
  3. Step 3: Cross multiply
    63,438.30x = 87,548.40 × 36,222.42
  4. Step 4: Simplify right side
    63,438.30x = 3,171,214,915.13
  5. Step 5: Solve for x
    x = 3,171,214,915.13/63,438.30
  6. Step 6: Final answer
    x = 49,988.96

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1.5x scale

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.