Home / 30,681.06-42,337.44-17,249.76

Finding the Fourth Proportional to 30,681.06, 42,337.44 and 17,249.76

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Solution

The fourth proportional to 30,681.06, 42,337.44 and 17,249.76 is: 23,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.06 : 42,337.44 = 17,249.76 : x
  2. Step 2: Convert to fraction form
    30,681.06/42,337.44 = 17,249.76/x
  3. Step 3: Cross multiply
    30,681.06x = 42,337.44 × 17,249.76
  4. Step 4: Simplify right side
    30,681.06x = 730,310,679.01
  5. Step 5: Solve for x
    x = 730,310,679.01/30,681.06
  6. Step 6: Final answer
    x = 23,803.31

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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.