Home / 39,160.95-58,751.43-12,865.92

Finding the Fourth Proportional to 39,160.95, 58,751.43 and 12,865.92

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Solution

The fourth proportional to 39,160.95, 58,751.43 and 12,865.92 is: 19,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.95 : 58,751.43 = 12,865.92 : x
  2. Step 2: Convert to fraction form
    39,160.95/58,751.43 = 12,865.92/x
  3. Step 3: Cross multiply
    39,160.95x = 58,751.43 × 12,865.92
  4. Step 4: Simplify right side
    39,160.95x = 755,890,904.51
  5. Step 5: Solve for x
    x = 755,890,904.51/39,160.95
  6. Step 6: Final answer
    x = 19,302.16

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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.