Home / 36,402.04-54,611.70-18,880.12

Finding the Fourth Proportional to 36,402.04, 54,611.70 and 18,880.12

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Solution

The fourth proportional to 36,402.04, 54,611.70 and 18,880.12 is: 28,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.04 : 54,611.70 = 18,880.12 : x
  2. Step 2: Convert to fraction form
    36,402.04/54,611.70 = 18,880.12/x
  3. Step 3: Cross multiply
    36,402.04x = 54,611.70 × 18,880.12
  4. Step 4: Simplify right side
    36,402.04x = 1,031,075,449.40
  5. Step 5: Solve for x
    x = 1,031,075,449.40/36,402.04
  6. Step 6: Final answer
    x = 28,324.66

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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.