Home / 30,573.51-42,187.60-17,144.72

Finding the Fourth Proportional to 30,573.51, 42,187.60 and 17,144.72

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Solution

The fourth proportional to 30,573.51, 42,187.60 and 17,144.72 is: 23,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.51 : 42,187.60 = 17,144.72 : x
  2. Step 2: Convert to fraction form
    30,573.51/42,187.60 = 17,144.72/x
  3. Step 3: Cross multiply
    30,573.51x = 42,187.60 × 17,144.72
  4. Step 4: Simplify right side
    30,573.51x = 723,294,589.47
  5. Step 5: Solve for x
    x = 723,294,589.47/30,573.51
  6. Step 6: Final answer
    x = 23,657.56

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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.