Home / 30,047.09-41,464.35-18,710.87

Finding the Fourth Proportional to 30,047.09, 41,464.35 and 18,710.87

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Solution

The fourth proportional to 30,047.09, 41,464.35 and 18,710.87 is: 25,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.09 : 41,464.35 = 18,710.87 : x
  2. Step 2: Convert to fraction form
    30,047.09/41,464.35 = 18,710.87/x
  3. Step 3: Cross multiply
    30,047.09x = 41,464.35 × 18,710.87
  4. Step 4: Simplify right side
    30,047.09x = 775,833,855.16
  5. Step 5: Solve for x
    x = 775,833,855.16/30,047.09
  6. Step 6: Final answer
    x = 25,820.60

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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.