Home / 36,265.32-54,403.02-12,886.20

Finding the Fourth Proportional to 36,265.32, 54,403.02 and 12,886.20

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Solution

The fourth proportional to 36,265.32, 54,403.02 and 12,886.20 is: 19,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,265.32 : 54,403.02 = 12,886.20 : x
  2. Step 2: Convert to fraction form
    36,265.32/54,403.02 = 12,886.20/x
  3. Step 3: Cross multiply
    36,265.32x = 54,403.02 × 12,886.20
  4. Step 4: Simplify right side
    36,265.32x = 701,048,196.32
  5. Step 5: Solve for x
    x = 701,048,196.32/36,265.32
  6. Step 6: Final answer
    x = 19,331.09

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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.