Home / 31,535.46-43,529.48-18,792.65

Finding the Fourth Proportional to 31,535.46, 43,529.48 and 18,792.65

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Solution

The fourth proportional to 31,535.46, 43,529.48 and 18,792.65 is: 25,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.46 : 43,529.48 = 18,792.65 : x
  2. Step 2: Convert to fraction form
    31,535.46/43,529.48 = 18,792.65/x
  3. Step 3: Cross multiply
    31,535.46x = 43,529.48 × 18,792.65
  4. Step 4: Simplify right side
    31,535.46x = 818,034,064.67
  5. Step 5: Solve for x
    x = 818,034,064.67/31,535.46
  6. Step 6: Final answer
    x = 25,940.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.