Home / 39,000.38-58,509.32-12,347.96

Finding the Fourth Proportional to 39,000.38, 58,509.32 and 12,347.96

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Solution

The fourth proportional to 39,000.38, 58,509.32 and 12,347.96 is: 18,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.38 : 58,509.32 = 12,347.96 : x
  2. Step 2: Convert to fraction form
    39,000.38/58,509.32 = 12,347.96/x
  3. Step 3: Cross multiply
    39,000.38x = 58,509.32 × 12,347.96
  4. Step 4: Simplify right side
    39,000.38x = 722,470,681.25
  5. Step 5: Solve for x
    x = 722,470,681.25/39,000.38
  6. Step 6: Final answer
    x = 18,524.71

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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.