Home / 35,190.94-52,712.97-21,106.30

Finding the Fourth Proportional to 35,190.94, 52,712.97 and 21,106.30

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Solution

The fourth proportional to 35,190.94, 52,712.97 and 21,106.30 is: 31,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.94 : 52,712.97 = 21,106.30 : x
  2. Step 2: Convert to fraction form
    35,190.94/52,712.97 = 21,106.30/x
  3. Step 3: Cross multiply
    35,190.94x = 52,712.97 × 21,106.30
  4. Step 4: Simplify right side
    35,190.94x = 1,112,575,758.71
  5. Step 5: Solve for x
    x = 1,112,575,758.71/35,190.94
  6. Step 6: Final answer
    x = 31,615.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.