Home / 31,368.61-43,288.75-17,222.36

Finding the Fourth Proportional to 31,368.61, 43,288.75 and 17,222.36

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Solution

The fourth proportional to 31,368.61, 43,288.75 and 17,222.36 is: 23,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.61 : 43,288.75 = 17,222.36 : x
  2. Step 2: Convert to fraction form
    31,368.61/43,288.75 = 17,222.36/x
  3. Step 3: Cross multiply
    31,368.61x = 43,288.75 × 17,222.36
  4. Step 4: Simplify right side
    31,368.61x = 745,534,566.20
  5. Step 5: Solve for x
    x = 745,534,566.20/31,368.61
  6. Step 6: Final answer
    x = 23,766.90

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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.