Home / 30,271.19-41,775.23-18,937.07

Finding the Fourth Proportional to 30,271.19, 41,775.23 and 18,937.07

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Solution

The fourth proportional to 30,271.19, 41,775.23 and 18,937.07 is: 26,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.19 : 41,775.23 = 18,937.07 : x
  2. Step 2: Convert to fraction form
    30,271.19/41,775.23 = 18,937.07/x
  3. Step 3: Cross multiply
    30,271.19x = 41,775.23 × 18,937.07
  4. Step 4: Simplify right side
    30,271.19x = 791,100,305.78
  5. Step 5: Solve for x
    x = 791,100,305.78/30,271.19
  6. Step 6: Final answer
    x = 26,133.77

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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.