Home / 38,870.16-58,309.40-10,790.33

Finding the Fourth Proportional to 38,870.16, 58,309.40 and 10,790.33

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Solution

The fourth proportional to 38,870.16, 58,309.40 and 10,790.33 is: 16,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.16 : 58,309.40 = 10,790.33 : x
  2. Step 2: Convert to fraction form
    38,870.16/58,309.40 = 10,790.33/x
  3. Step 3: Cross multiply
    38,870.16x = 58,309.40 × 10,790.33
  4. Step 4: Simplify right side
    38,870.16x = 629,177,668.10
  5. Step 5: Solve for x
    x = 629,177,668.10/38,870.16
  6. Step 6: Final answer
    x = 16,186.65

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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.