Home / 39,235.56-58,862.04-12,939.24

Finding the Fourth Proportional to 39,235.56, 58,862.04 and 12,939.24

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Solution

The fourth proportional to 39,235.56, 58,862.04 and 12,939.24 is: 19,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.56 : 58,862.04 = 12,939.24 : x
  2. Step 2: Convert to fraction form
    39,235.56/58,862.04 = 12,939.24/x
  3. Step 3: Cross multiply
    39,235.56x = 58,862.04 × 12,939.24
  4. Step 4: Simplify right side
    39,235.56x = 761,630,062.45
  5. Step 5: Solve for x
    x = 761,630,062.45/39,235.56
  6. Step 6: Final answer
    x = 19,411.73

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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.