Home / 39,522.60-59,289.68-12,859.84

Finding the Fourth Proportional to 39,522.60, 59,289.68 and 12,859.84

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Solution

The fourth proportional to 39,522.60, 59,289.68 and 12,859.84 is: 19,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.60 : 59,289.68 = 12,859.84 : x
  2. Step 2: Convert to fraction form
    39,522.60/59,289.68 = 12,859.84/x
  3. Step 3: Cross multiply
    39,522.60x = 59,289.68 × 12,859.84
  4. Step 4: Simplify right side
    39,522.60x = 762,455,798.45
  5. Step 5: Solve for x
    x = 762,455,798.45/39,522.60
  6. Step 6: Final answer
    x = 19,291.64

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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.