Home / 35,189.01-52,776.22-12,987.21

Finding the Fourth Proportional to 35,189.01, 52,776.22 and 12,987.21

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Solution

The fourth proportional to 35,189.01, 52,776.22 and 12,987.21 is: 19,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,189.01 : 52,776.22 = 12,987.21 : x
  2. Step 2: Convert to fraction form
    35,189.01/52,776.22 = 12,987.21/x
  3. Step 3: Cross multiply
    35,189.01x = 52,776.22 × 12,987.21
  4. Step 4: Simplify right side
    35,189.01x = 685,415,852.15
  5. Step 5: Solve for x
    x = 685,415,852.15/35,189.01
  6. Step 6: Final answer
    x = 19,478.12

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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.