Home / 31,400.18-43,329.73-17,968.36

Finding the Fourth Proportional to 31,400.18, 43,329.73 and 17,968.36

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Solution

The fourth proportional to 31,400.18, 43,329.73 and 17,968.36 is: 24,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.18 : 43,329.73 = 17,968.36 : x
  2. Step 2: Convert to fraction form
    31,400.18/43,329.73 = 17,968.36/x
  3. Step 3: Cross multiply
    31,400.18x = 43,329.73 × 17,968.36
  4. Step 4: Simplify right side
    31,400.18x = 778,563,970.69
  5. Step 5: Solve for x
    x = 778,563,970.69/31,400.18
  6. Step 6: Final answer
    x = 24,794.89

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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.