Home / 39,295.38-58,937.40-12,999.54

Finding the Fourth Proportional to 39,295.38, 58,937.40 and 12,999.54

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Solution

The fourth proportional to 39,295.38, 58,937.40 and 12,999.54 is: 19,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,295.38 : 58,937.40 = 12,999.54 : x
  2. Step 2: Convert to fraction form
    39,295.38/58,937.40 = 12,999.54/x
  3. Step 3: Cross multiply
    39,295.38x = 58,937.40 × 12,999.54
  4. Step 4: Simplify right side
    39,295.38x = 766,159,088.80
  5. Step 5: Solve for x
    x = 766,159,088.80/39,295.38
  6. Step 6: Final answer
    x = 19,497.43

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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.