Home / 39,001.89-58,511.65-12,349.50

Finding the Fourth Proportional to 39,001.89, 58,511.65 and 12,349.50

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Solution

The fourth proportional to 39,001.89, 58,511.65 and 12,349.50 is: 18,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.89 : 58,511.65 = 12,349.50 : x
  2. Step 2: Convert to fraction form
    39,001.89/58,511.65 = 12,349.50/x
  3. Step 3: Cross multiply
    39,001.89x = 58,511.65 × 12,349.50
  4. Step 4: Simplify right side
    39,001.89x = 722,589,559.93
  5. Step 5: Solve for x
    x = 722,589,559.93/39,001.89
  6. Step 6: Final answer
    x = 18,527.04

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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.