Home / 39,000.50-58,506.84-12,699.05

Finding the Fourth Proportional to 39,000.50, 58,506.84 and 12,699.05

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Solution

The fourth proportional to 39,000.50, 58,506.84 and 12,699.05 is: 19,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.50 : 58,506.84 = 12,699.05 : x
  2. Step 2: Convert to fraction form
    39,000.50/58,506.84 = 12,699.05/x
  3. Step 3: Cross multiply
    39,000.50x = 58,506.84 × 12,699.05
  4. Step 4: Simplify right side
    39,000.50x = 742,981,286.50
  5. Step 5: Solve for x
    x = 742,981,286.50/39,000.50
  6. Step 6: Final answer
    x = 19,050.56

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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.