Home / 63,567.63-87,740.35-39,679.92

Finding the Fourth Proportional to 63,567.63, 87,740.35 and 39,679.92

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Solution

The fourth proportional to 63,567.63, 87,740.35 and 39,679.92 is: 54,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,567.63 : 87,740.35 = 39,679.92 : x
  2. Step 2: Convert to fraction form
    63,567.63/87,740.35 = 39,679.92/x
  3. Step 3: Cross multiply
    63,567.63x = 87,740.35 × 39,679.92
  4. Step 4: Simplify right side
    63,567.63x = 3,481,529,969.57
  5. Step 5: Solve for x
    x = 3,481,529,969.57/63,567.63
  6. Step 6: Final answer
    x = 54,768.91

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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.