Home / 39,238.70-58,849.74-12,937.19

Finding the Fourth Proportional to 39,238.70, 58,849.74 and 12,937.19

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Solution

The fourth proportional to 39,238.70, 58,849.74 and 12,937.19 is: 19,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.70 : 58,849.74 = 12,937.19 : x
  2. Step 2: Convert to fraction form
    39,238.70/58,849.74 = 12,937.19/x
  3. Step 3: Cross multiply
    39,238.70x = 58,849.74 × 12,937.19
  4. Step 4: Simplify right side
    39,238.70x = 761,349,973.58
  5. Step 5: Solve for x
    x = 761,349,973.58/39,238.70
  6. Step 6: Final answer
    x = 19,403.04

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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.