Home / 35,720.16-49,293.06-20,611.64

Finding the Fourth Proportional to 35,720.16, 49,293.06 and 20,611.64

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Solution

The fourth proportional to 35,720.16, 49,293.06 and 20,611.64 is: 28,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.16 : 49,293.06 = 20,611.64 : x
  2. Step 2: Convert to fraction form
    35,720.16/49,293.06 = 20,611.64/x
  3. Step 3: Cross multiply
    35,720.16x = 49,293.06 × 20,611.64
  4. Step 4: Simplify right side
    35,720.16x = 1,016,010,807.22
  5. Step 5: Solve for x
    x = 1,016,010,807.22/35,720.16
  6. Step 6: Final answer
    x = 28,443.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.