Home / 34,421.42-51,639.93-12,234.71

Finding the Fourth Proportional to 34,421.42, 51,639.93 and 12,234.71

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Solution

The fourth proportional to 34,421.42, 51,639.93 and 12,234.71 is: 18,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.42 : 51,639.93 = 12,234.71 : x
  2. Step 2: Convert to fraction form
    34,421.42/51,639.93 = 12,234.71/x
  3. Step 3: Cross multiply
    34,421.42x = 51,639.93 × 12,234.71
  4. Step 4: Simplify right side
    34,421.42x = 631,799,697.07
  5. Step 5: Solve for x
    x = 631,799,697.07/34,421.42
  6. Step 6: Final answer
    x = 18,354.84

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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.