Home / 63,438.40-87,554.31-36,575.65

Finding the Fourth Proportional to 63,438.40, 87,554.31 and 36,575.65

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Solution

The fourth proportional to 63,438.40, 87,554.31 and 36,575.65 is: 50,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.40 : 87,554.31 = 36,575.65 : x
  2. Step 2: Convert to fraction form
    63,438.40/87,554.31 = 36,575.65/x
  3. Step 3: Cross multiply
    63,438.40x = 87,554.31 × 36,575.65
  4. Step 4: Simplify right side
    63,438.40x = 3,202,355,798.55
  5. Step 5: Solve for x
    x = 3,202,355,798.55/63,438.40
  6. Step 6: Final answer
    x = 50,479.77

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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.