Home / 30,697.26-42,357.55-17,271.81

Finding the Fourth Proportional to 30,697.26, 42,357.55 and 17,271.81

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Solution

The fourth proportional to 30,697.26, 42,357.55 and 17,271.81 is: 23,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697.26 : 42,357.55 = 17,271.81 : x
  2. Step 2: Convert to fraction form
    30,697.26/42,357.55 = 17,271.81/x
  3. Step 3: Cross multiply
    30,697.26x = 42,357.55 × 17,271.81
  4. Step 4: Simplify right side
    30,697.26x = 731,591,555.67
  5. Step 5: Solve for x
    x = 731,591,555.67/30,697.26
  6. Step 6: Final answer
    x = 23,832.47

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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.