Home / 35,813.32-53,719.98-13,621.57

Finding the Fourth Proportional to 35,813.32, 53,719.98 and 13,621.57

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Solution

The fourth proportional to 35,813.32, 53,719.98 and 13,621.57 is: 20,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.32 : 53,719.98 = 13,621.57 : x
  2. Step 2: Convert to fraction form
    35,813.32/53,719.98 = 13,621.57/x
  3. Step 3: Cross multiply
    35,813.32x = 53,719.98 × 13,621.57
  4. Step 4: Simplify right side
    35,813.32x = 731,750,467.97
  5. Step 5: Solve for x
    x = 731,750,467.97/35,813.32
  6. Step 6: Final answer
    x = 20,432.36

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Similar ratio
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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.