Home / 39,238.65-58,849.74-12,937.23

Finding the Fourth Proportional to 39,238.65, 58,849.74 and 12,937.23

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Solution

The fourth proportional to 39,238.65, 58,849.74 and 12,937.23 is: 19,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.65 : 58,849.74 = 12,937.23 : x
  2. Step 2: Convert to fraction form
    39,238.65/58,849.74 = 12,937.23/x
  3. Step 3: Cross multiply
    39,238.65x = 58,849.74 × 12,937.23
  4. Step 4: Simplify right side
    39,238.65x = 761,352,621.82
  5. Step 5: Solve for x
    x = 761,352,621.82/39,238.65
  6. Step 6: Final answer
    x = 19,403.13

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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.