Home / 31,451.93-43,400.09-17,303.93

Finding the Fourth Proportional to 31,451.93, 43,400.09 and 17,303.93

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Solution

The fourth proportional to 31,451.93, 43,400.09 and 17,303.93 is: 23,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.93 : 43,400.09 = 17,303.93 : x
  2. Step 2: Convert to fraction form
    31,451.93/43,400.09 = 17,303.93/x
  3. Step 3: Cross multiply
    31,451.93x = 43,400.09 × 17,303.93
  4. Step 4: Simplify right side
    31,451.93x = 750,992,119.35
  5. Step 5: Solve for x
    x = 750,992,119.35/31,451.93
  6. Step 6: Final answer
    x = 23,877.46

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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.