Home / 39,213.12-58,804.12-14,239.55

Finding the Fourth Proportional to 39,213.12, 58,804.12 and 14,239.55

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Solution

The fourth proportional to 39,213.12, 58,804.12 and 14,239.55 is: 21,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.12 : 58,804.12 = 14,239.55 : x
  2. Step 2: Convert to fraction form
    39,213.12/58,804.12 = 14,239.55/x
  3. Step 3: Cross multiply
    39,213.12x = 58,804.12 × 14,239.55
  4. Step 4: Simplify right side
    39,213.12x = 837,344,056.42
  5. Step 5: Solve for x
    x = 837,344,056.42/39,213.12
  6. Step 6: Final answer
    x = 21,353.67

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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.