Home / 39,812.93-59,709.78-11,725.34

Finding the Fourth Proportional to 39,812.93, 59,709.78 and 11,725.34

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Solution

The fourth proportional to 39,812.93, 59,709.78 and 11,725.34 is: 17,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.93 : 59,709.78 = 11,725.34 : x
  2. Step 2: Convert to fraction form
    39,812.93/59,709.78 = 11,725.34/x
  3. Step 3: Cross multiply
    39,812.93x = 59,709.78 × 11,725.34
  4. Step 4: Simplify right side
    39,812.93x = 700,117,471.83
  5. Step 5: Solve for x
    x = 700,117,471.83/39,812.93
  6. Step 6: Final answer
    x = 17,585.18

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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.