Home / 39,106.80-58,642.92-11,406.96

Finding the Fourth Proportional to 39,106.80, 58,642.92 and 11,406.96

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Solution

The fourth proportional to 39,106.80, 58,642.92 and 11,406.96 is: 17,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.80 : 58,642.92 = 11,406.96 : x
  2. Step 2: Convert to fraction form
    39,106.80/58,642.92 = 11,406.96/x
  3. Step 3: Cross multiply
    39,106.80x = 58,642.92 × 11,406.96
  4. Step 4: Simplify right side
    39,106.80x = 668,937,442.72
  5. Step 5: Solve for x
    x = 668,937,442.72/39,106.80
  6. Step 6: Final answer
    x = 17,105.40

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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.