Home / 30,722.24-42,400.77-17,296.13

Finding the Fourth Proportional to 30,722.24, 42,400.77 and 17,296.13

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Solution

The fourth proportional to 30,722.24, 42,400.77 and 17,296.13 is: 23,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.24 : 42,400.77 = 17,296.13 : x
  2. Step 2: Convert to fraction form
    30,722.24/42,400.77 = 17,296.13/x
  3. Step 3: Cross multiply
    30,722.24x = 42,400.77 × 17,296.13
  4. Step 4: Simplify right side
    30,722.24x = 733,369,271.16
  5. Step 5: Solve for x
    x = 733,369,271.16/30,722.24
  6. Step 6: Final answer
    x = 23,870.96

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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.