Home / 36,985.20-55,477.80-25,175.40

Finding the Fourth Proportional to 36,985.20, 55,477.80 and 25,175.40

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Solution

The fourth proportional to 36,985.20, 55,477.80 and 25,175.40 is: 37,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.20 : 55,477.80 = 25,175.40 : x
  2. Step 2: Convert to fraction form
    36,985.20/55,477.80 = 25,175.40/x
  3. Step 3: Cross multiply
    36,985.20x = 55,477.80 × 25,175.40
  4. Step 4: Simplify right side
    36,985.20x = 1,396,675,806.12
  5. Step 5: Solve for x
    x = 1,396,675,806.12/36,985.20
  6. Step 6: Final answer
    x = 37,763.10

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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.