Home / 30,271.94-41,776.27-18,937.82

Finding the Fourth Proportional to 30,271.94, 41,776.27 and 18,937.82

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Solution

The fourth proportional to 30,271.94, 41,776.27 and 18,937.82 is: 26,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.94 : 41,776.27 = 18,937.82 : x
  2. Step 2: Convert to fraction form
    30,271.94/41,776.27 = 18,937.82/x
  3. Step 3: Cross multiply
    30,271.94x = 41,776.27 × 18,937.82
  4. Step 4: Simplify right side
    30,271.94x = 791,151,225.31
  5. Step 5: Solve for x
    x = 791,151,225.31/30,271.94
  6. Step 6: Final answer
    x = 26,134.80

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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.