Home / 36,180.90-54,271.35-9,888.30

Finding the Fourth Proportional to 36,180.90, 54,271.35 and 9,888.30

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Solution

The fourth proportional to 36,180.90, 54,271.35 and 9,888.30 is: 14,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180.90 : 54,271.35 = 9,888.30 : x
  2. Step 2: Convert to fraction form
    36,180.90/54,271.35 = 9,888.30/x
  3. Step 3: Cross multiply
    36,180.90x = 54,271.35 × 9,888.30
  4. Step 4: Simplify right side
    36,180.90x = 536,651,390.21
  5. Step 5: Solve for x
    x = 536,651,390.21/36,180.90
  6. Step 6: Final answer
    x = 14,832.45

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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.