Home / 31,420.08-43,362-17,273.52

Finding the Fourth Proportional to 31,420.08, 43,362 and 17,273.52

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Solution

The fourth proportional to 31,420.08, 43,362 and 17,273.52 is: 23,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.08 : 43,362 = 17,273.52 : x
  2. Step 2: Convert to fraction form
    31,420.08/43,362 = 17,273.52/x
  3. Step 3: Cross multiply
    31,420.08x = 43,362 × 17,273.52
  4. Step 4: Simplify right side
    31,420.08x = 749,014,374.24
  5. Step 5: Solve for x
    x = 749,014,374.24/31,420.08
  6. Step 6: Final answer
    x = 23,838.72

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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.