Home / 30,437.15-42,003.48-17,008.97

Finding the Fourth Proportional to 30,437.15, 42,003.48 and 17,008.97

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Solution

The fourth proportional to 30,437.15, 42,003.48 and 17,008.97 is: 23,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.15 : 42,003.48 = 17,008.97 : x
  2. Step 2: Convert to fraction form
    30,437.15/42,003.48 = 17,008.97/x
  3. Step 3: Cross multiply
    30,437.15x = 42,003.48 × 17,008.97
  4. Step 4: Simplify right side
    30,437.15x = 714,435,721.20
  5. Step 5: Solve for x
    x = 714,435,721.20/30,437.15
  6. Step 6: Final answer
    x = 23,472.49

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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.